Abrégé

A method for printing on a plurality of sheets includes the steps of: arranging the plurality of sheets on a support surface of an endless conveyor, the plurality of sheets including a first sheet and a second sheet being arranged at a sheet-to-sheet distance between one another; advancing the plurality of sheets on the support surface in a conveying direction along a print head assembly for applying droplets of ink on the sheets; providing a suction force through perforations arranged in the support surface for holding the plurality of sheets on the support surface, wherein the suction force provides an air flow through uncovered perforations present in the sheet-to-sheet distance in a print region between the print head assembly and the support surface; and forming an image by the print head assembly on each of the plurality of sheets supported on the support surface of the conveyor by applying droplets of ink. The method further includes the step of controlling the sheet-to-sheet distance in response to a dew formation attribute for indicating dew formation on the print head assembly.

Classes IPC  ?

• B41J 13/00 - Dispositifs ou agencements spécialement adaptés pour supporter ou manipuler un matériau de copie en petites longueurs, p. ex. des feuilles
• B41J 11/00 - Dispositifs ou agencements pour supporter ou manipuler un matériau de copie en feuilles ou en bandes
• B41J 29/377 - Dispositions pour le refroidissement ou la ventilation
• B41J 2/375 - Dispositions de protection contre la surchauffe
• B41J 3/60 - Machines à écrire ou mécanismes d'impression ou de marquage sélectif caractérisés par le but dans lequel ils sont construits pour l'impression recto-verso du matériau d'impression
• B41J 29/38 - Entraînements, moteurs commandes ou dispositifs d'arrêt automatiques pour le mécanisme d'impression tout entier
• B41J 2/21 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par la mise en contact sélective d'un liquide ou de particules avec un matériau d'impression à jet d'encre pour l'impression à plusieurs couleurs

Abrégé

An electronic circuit for driving an inkjet print element in an array of print elements with an electric waveform is provided. The print element includes a piezo transducer for converting the electric waveform in a mechanical displacement. The electric waveform is tunable for an individual print element. The circuit includes a common waveform generator that is connected to the piezo transducer through a first print data dependent switch for providing an electric waveform independent of the print element. The circuit further includes a waveform tuning part, dependent on the print element and the print data, for controlling a second switch that adds electric energy from a voltage source to the electric waveform. The switches are operable in either a saturation state or a blocking state to limit an amount of dissipation in the switches.

Classes IPC  ?

• B41J 2/045 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par la mise en contact sélective d'un liquide ou de particules avec un matériau d'impression à jet d'encre caractérisés par le procédé de formation du jet en produisant à la demande des gouttelettes ou des particules séparées les unes des autres par pression, p. ex. à l'aide de transducteurs électromécaniques

Abrégé

An ink handling unit includes an ink reservoir with an integrated heat exchange channel configured for pre-heating or pre-cooling an ink feed flow entering the ink reservoir via the heat exchange channel. The heat exchange channel is in direct thermal contact with an interior space of the ink reservoir. An ink jet imaging device includes the ink handling unit. Such imaging devices are suitable to be used in highly productive ink jet processes at elevated temperatures.

Classes IPC  ?

• B41J 2/175 - Systèmes d'alimentation en encre
• B41J 29/377 - Dispositions pour le refroidissement ou la ventilation

Abrégé

A printing system includes a print station disposed at a sheet transport path, a feed section arranged to feed media sheets of different media types into the transport path so as to be fed sequentially to the print station, and a controller arranged to receive print instructions concerning images to be printed, to schedule a sequence of the media sheets, and to control the feed section and the print station such that each image is printed on a sheet of a media type that has been specified for that image in the print instructions. A sensor is arranged at the transport path for detecting a quality condition of the sheets being fed to the print station, and the controller is adapted to receive a quality signal from the sensor and, when the quality of a sheet is found to be insufficient, to skip that sheet and to reroute the corresponding image to another scheduled sheet that is compatible with the print instructions.

Classes IPC  ?

• B41J 13/00 - Dispositifs ou agencements spécialement adaptés pour supporter ou manipuler un matériau de copie en petites longueurs, p. ex. des feuilles
• B41J 11/00 - Dispositifs ou agencements pour supporter ou manipuler un matériau de copie en feuilles ou en bandes
• B65H 7/06 - Commande de l'alimentation en articles, de l'enlèvement des articles, de l'avance des piles ou d'appareils associés permettant de tenir compte d'une alimentation incorrecte, de la non présence d'articles ou de la présence d'articles défectueux par palpeurs ou détecteurs sensibles à la présence d'articles défectueux ou à l'enlèvement ou à une alimentation incorrecte
• B65H 7/20 - Commande des appareils associés
• G03G 15/00 - Appareils pour procédés électrographiques utilisant un dessin de charge
• B65H 85/00 - Recirculation d'articles, c.-à-d. fourniture et délivrance de chaque article plus d'une fois au même poste de travail de la machine
• B41J 2/01 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par la mise en contact sélective d'un liquide ou de particules avec un matériau d'impression à jet d'encre
• B65H 5/26 - Alimentations en double, alternées, sélectives ou associées
• B65H 29/60 - Aiguilleurs ou déviateurs d'articles pour dévier l'écoulement dans des voies alternées
• B65H 29/62 - Aiguilleurs ou déviateurs d'articles pour dévier les articles défectueux des voies d'écoulement principales
• B41J 3/60 - Machines à écrire ou mécanismes d'impression ou de marquage sélectif caractérisés par le but dans lequel ils sont construits pour l'impression recto-verso du matériau d'impression

Abrégé

A method for scheduling a depletion of a supply material in a printing system including a print engine capable of printing at a settable print velocity while using the supply material, a control unit for controlling a print job queue comprising at least one print job scheduled to be printed by means of a scheduling scheme while using the supply material, a supply material output holder for holding the supply material, and a user interface for interacting with a user of the printing system. The method includes determining a plurality of moments in time that the supply material output holder is full, and simultaneously scheduling for each determined moment in time of the plurality of moments in time a depletion event of emptying the supply material output holder in the scheduling scheme. The plurality of moments in time is determined by taking into account the total planned usage of the supply material according to print job specifications of the at least one print job scheduled in the print job queue and a capacity of the supply material output holder with respect to the properties of the supply material. Each of the determined moments in time is established on the basis of the settable print velocity of the printing system with respect to the at least one print job in the print job queue.

Classes IPC  ?

• G06F 3/12 - Sortie numérique vers une unité d'impression
• G03G 15/00 - Appareils pour procédés électrographiques utilisant un dessin de charge

Abrégé

A sheet conveyor is provided for transporting a sheet. The sheet conveyor includes a supplying conveyor, a receiving conveyor and a sheet guidance unit. The receiving conveyor includes a support surface arranged for supporting the sheet on a contact side of the sheet and an attraction unit arranged for attracting the sheet to the support surface. The supplying conveyor includes a transport belt being arranged for advancing the sheet in a transport direction along a transport path towards the support surface of the receiving conveyor; the sheet having two side edge portions relative to the transport path. The sheet guidance unit is arranged at a downstream end of the transport path for guiding the sheet towards the receiving conveyor, wherein said sheet guidance unit includes a lifting element arranged for lifting both side edge portions of the sheet away from the support surface while a middle portion of the sheet in between both side edge portions is guided towards the support surface.

Classes IPC  ?

• B65H 29/52 - Guides ou lissoirs fixes
• B65H 29/70 - Pliage ou raidissage des articles
• B41J 13/10 - Supports de feuilles, taquets d'arrêt ou guides fixes
• B65H 29/24 - Délivrance ou progression des articles à la sortie des machinesProgression des articles vers ou dans les piles par appareil à jet d'air ou aspirant
• B65H 5/22 - Transfert des articles retirés des pilesAlimentation des machines en articles par jet d'air ou dispositifs aspirant
• B65H 5/36 - Guides ou lissoirs pour articles, p. ex. mobiles pendant le travail
• B65H 29/66 - Progression en courants d'articles se chevauchant

Abrégé

The present invention relates to a method for printing a plurality of voxels of an object in a plurality of passes of a print head of a printing system over a substrate, each pass having a movement direction of the print head relative to the substrate while ejecting marking material from the print head towards the substrate, each voxel having a position in the object, the method comprising the steps of for each voxel of the object selecting a movement direction of the print head based on the position of the voxel in the object, selecting at least one pass in which the voxel will be printed, the at least one pass having a movement direction which corresponds to the selected movement direction of the print head, and printing the voxel in the selected at least one pass. The present invention also relates to a printing system configured to execute the method.

Classes IPC  ?

• B29C 64/112 - Procédés de fabrication additive n’utilisant que des matériaux liquides ou visqueux, p. ex. dépôt d’un cordon continu de matériau visqueux utilisant des gouttelettes individuelles, p. ex. de buses de jet
• B29C 64/393 - Acquisition ou traitement de données pour la fabrication additive pour la commande ou la régulation de procédés de fabrication additive
• G05B 19/4099 - Usinage de surface ou de courbe, fabrication d'objets en trois dimensions 3D, p. ex. fabrication assistée par ordinateur
• B33Y 10/00 - Procédés de fabrication additive
• B33Y 50/02 - Acquisition ou traitement de données pour la fabrication additive pour la commande ou la régulation de procédés de fabrication additive

Abrégé

A method for printing a plurality of print jobs on a flat bed printer includes automatically grouping the print jobs into a plurality of consecutive container jobs, and for each container job automatically creating a digital plan of the flat bed, automatically defining a mask with cutting information according to the created plan, receiving the defined mask on the flat bed, receiving the media pieces on the flat bed positioned in according with the received mask, and unattended printing of the print jobs on the media pieces by the flat bed printer making use of the received mask. The automatic grouping includes gathering the group of print jobs due to the print job characteristics of each of the print jobs and/or the flat bed characteristics of the flat bed and ordering the consecutive container jobs due to the print job characteristics of each of the print jobs and/or the flat bed characteristics of the flat bed.

Classes IPC  ?

• G06F 3/12 - Sortie numérique vers une unité d'impression
• B41J 29/393 - Dispositifs de commande ou d'analyse de l'ensemble de la machine
• G06K 15/10 - Dispositions pour produire une présentation visuelle permanente des données de sortie utilisant des imprimantes par imprimantes en matrices de points

Abrégé

An inkjet print head includes an ejection unit having a liquid chamber for holding an amount of liquid, a electromechanical transducer operatively coupled to the liquid chamber for generating a pressure wave in the amount of liquid and a nozzle in fluid communication with the liquid chamber for enabling a droplet of the amount of liquid to be ejected through the nozzle. A method for detecting an operating state of the ejection unit includes the consecutive steps of actuating the electromechanical transducer to generate a pressure wave in the liquid; actuating the electromechanical transducer to suppress a residual pressure wave in the liquid; sensing an amplitude of the residual pressure wave in the liquid; and based on the result of the sensing step determining that the ejection unit is (i) in an operative state if the amplitude of the residual pressure wave is below a threshold or (ii) in a malfunctioning state if the amplitude of the residual pressure wave is above the threshold.

Classes IPC  ?

• B41J 2/045 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par la mise en contact sélective d'un liquide ou de particules avec un matériau d'impression à jet d'encre caractérisés par le procédé de formation du jet en produisant à la demande des gouttelettes ou des particules séparées les unes des autres par pression, p. ex. à l'aide de transducteurs électromécaniques
• B41J 2/14 - Leur structure

Abrégé

A print head assembly including a print head unit, a cooling duct, and a blower arranged to pass a gaseous cooling medium through the cooling duct. The cooling duct has an elongated closed hollow cross-section bounded on at least one side by a flat wall. The print head unit is attached to the flat wall outside of the cooling duct such that the print head unit is cooled by the gaseous medium passing through the cooling duct via thermal contact through the flat wall of the cooling duct.

Classes IPC  ?

• B41J 2/14 - Leur structure
• B41J 29/377 - Dispositions pour le refroidissement ou la ventilation
• B41J 2/175 - Systèmes d'alimentation en encre
• B41J 29/02 - Bâtis
• B41J 2/15 - Leur agencement pour l'impression en série

Abrégé

Belt conveyor system comprising: an endless mesh belt, the belt having a mesh structure and having edge areas at the lateral sides, a drive mechanism drivable by a drive motor to rotate the belt, and a steering roller for steering the lateral position of the belt, wherein an edge area comprises a band running substantially parallel to the lateral sides, the band comprising an elastic filler being provided inside the mesh structure, the elastic filler being discernible from the mesh structure, and wherein the belt conveyor system further comprises a band position detector for detecting the lateral position of the band.

Classes IPC  ?

• B65H 7/14 - Commande de l'alimentation en articles, de l'enlèvement des articles, de l'avance des piles ou d'appareils associés permettant de tenir compte d'une alimentation incorrecte, de la non présence d'articles ou de la présence d'articles défectueux par palpeurs ou détecteurs par palpeurs ou détecteurs photo-électriques
• B65H 5/22 - Transfert des articles retirés des pilesAlimentation des machines en articles par jet d'air ou dispositifs aspirant
• B65H 29/24 - Délivrance ou progression des articles à la sortie des machinesProgression des articles vers ou dans les piles par appareil à jet d'air ou aspirant
• B65H 7/02 - Commande de l'alimentation en articles, de l'enlèvement des articles, de l'avance des piles ou d'appareils associés permettant de tenir compte d'une alimentation incorrecte, de la non présence d'articles ou de la présence d'articles défectueux par palpeurs ou détecteurs
• G03G 15/00 - Appareils pour procédés électrographiques utilisant un dessin de charge

Abrégé

The present invention relates to a radiation curable ink composition comprising two ester compounds. The invention further relates to a method for making such ink composition and a printing method using such ink composition.

Classes IPC  ?

• B41J 2/01 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par la mise en contact sélective d'un liquide ou de particules avec un matériau d'impression à jet d'encre
• B41J 11/00 - Dispositifs ou agencements pour supporter ou manipuler un matériau de copie en feuilles ou en bandes
• C09D 11/101 - Encres spécialement adaptées aux procédés d’imprimerie mettant en œuvre la réticulation par énergie ondulatoire ou par radiation de particules, p. ex. réticulation par UV qui suit l’impression
• C09D 11/38 - Encres pour l'impression à jet d'encre caractérisées par des additifs non macromoléculaires autres que les solvants, les pigments ou les colorants
• C09D 11/326 - Encres à pigments caractérisées par le dispersant du pigment
• C09D 11/34 - Encres thermofusibles
• C09D 11/30 - Encres pour l'impression à jet d'encre
• C09D 11/03 - Encres d’imprimerie caractérisées par des particularités autres que la nature chimique du liant
• C09D 11/107 - Encres d’imprimerie à base de résines artificielles contenant des composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone à partir d'acides non saturés ou de leurs dérivés

Abrégé

A recording substrate treatment apparatus includes transporting mechanism for transporting a sheet of a recording substrate through a first chamber in the interior space of the recording substrate treatment apparatus; a first suction device arranged for removing a gaseous medium from the first chamber; and an impingement device, arranged for providing a first flow of the gaseous medium at the outer surface of the transporting mechanism. The first suction device is fluidly connected to the impingement device, such that in operation the impingement device receives a first flow of the gaseous medium from the first suction device. With this arrangement, the impingement flow is balanced with an air flow directly extracted from the first chamber of the recording substrate treatment apparatus. A printing system including such a recording substrate treatment apparatus and a method of drying a recording substrate using such a recording substrate recording apparatus are also disclosed.

Classes IPC  ?

• B41J 11/00 - Dispositifs ou agencements pour supporter ou manipuler un matériau de copie en feuilles ou en bandes
• B41J 13/22 - Pinces ou griffes
• B41J 29/377 - Dispositions pour le refroidissement ou la ventilation

Abrégé

The present invention relates to a radiation curable ink composition comprising an ester compound, that is suitable for printing high gloss images. The invention further relates to a method for making such ink composition and a printing method using such ink composition.

Classes IPC  ?

• C08F 2/46 - Polymérisation amorcée par énergie ondulatoire ou par rayonnement corpusculaire
• C08F 2/50 - Polymérisation amorcée par énergie ondulatoire ou par rayonnement corpusculaire par la lumière ultraviolette ou visible avec des agents sensibilisants
• C08G 61/04 - Composés macromoléculaires contenant uniquement des atomes de carbone dans la chaîne principale de la molécule, p. ex. polyxylylènes uniquement des atomes de carbone aliphatiques
• C09D 11/101 - Encres spécialement adaptées aux procédés d’imprimerie mettant en œuvre la réticulation par énergie ondulatoire ou par radiation de particules, p. ex. réticulation par UV qui suit l’impression
• C09D 11/30 - Encres pour l'impression à jet d'encre
• C09D 11/34 - Encres thermofusibles
• C09D 11/38 - Encres pour l'impression à jet d'encre caractérisées par des additifs non macromoléculaires autres que les solvants, les pigments ou les colorants
• C09D 11/326 - Encres à pigments caractérisées par le dispersant du pigment
• B41J 2/01 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par la mise en contact sélective d'un liquide ou de particules avec un matériau d'impression à jet d'encre
• B41J 11/00 - Dispositifs ou agencements pour supporter ou manipuler un matériau de copie en feuilles ou en bandes
• C09D 11/03 - Encres d’imprimerie caractérisées par des particularités autres que la nature chimique du liant
• C09D 11/107 - Encres d’imprimerie à base de résines artificielles contenant des composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone à partir d'acides non saturés ou de leurs dérivés

Abrégé

A gas impingement device includes a first surface including a pattern of a plurality of gas outlets, the pattern including a number of substantially parallel rows of gas outlets, the rows arranged in a direction, which direction is at a skew angle α with a front edge of the first surface of the gas impingement device. A recording substrate treatment apparatus and a printing system including such a gas impingement device and a method of drying a recording substrate by using the gas impingement device are also disclosed.

Classes IPC  ?

• G03G 15/20 - Appareils pour procédés électrographiques utilisant un dessin de charge pour le fixage, p. ex. par la chaleur
• B41F 23/04 - Dispositifs pour traiter la surface des feuilles, bandes ou autres objets en relation avec l'impression par séchage à chaud, refroidissement ou application de poudres
• B41J 11/00 - Dispositifs ou agencements pour supporter ou manipuler un matériau de copie en feuilles ou en bandes

Abrégé

The present invention relates to a printing system for printing a plurality of sheets having different media properties, and a paper path comprising a loop in order to enable printing on the plurality of sheets in an interweaving first and second pass in the loop, and a print engine for disposing marking material on the sheets according to the image data. The print system comprises a pattern recognition module for recognizing a repeating pattern in the plurality of sheets on the basis of the media properties of the sheets. The control unit is configured to determine the entrance time of each of the plurality of sheets for entering the loop in the paper path for the first pass and for the second pass while taking the repeating pattern recognized by the pattern recognition module and a length of the loop into account.

Classes IPC  ?

• B41J 13/00 - Dispositifs ou agencements spécialement adaptés pour supporter ou manipuler un matériau de copie en petites longueurs, p. ex. des feuilles
• G03G 15/00 - Appareils pour procédés électrographiques utilisant un dessin de charge

Abrégé

A sheet conveying system includes an upstream conveyor section having an endless first conveyor belt movable in a first conveying direction x and extending in a first lateral direction z, the first conveying direction x and the first lateral direction z defining a first conveying plane xz; and a downstream conveyor section having an endless second conveyor belt that adjoins the first conveyor belt and is movable in a second conveying direction x′ and extends in a second lateral direction z′, the second conveying direction x′ and the second lateral direction z′ defining a second conveying plane x′z′. The conveyor sections are adapted to hold the sheets slip-free on the first and second conveyor belts. The second conveyor belt has a shear compliance in the second conveying plane x′z′ that is larger than the shear compliance of the first conveyor belt in the first conveying plane xz.

Classes IPC  ?

• B65H 29/24 - Délivrance ou progression des articles à la sortie des machinesProgression des articles vers ou dans les piles par appareil à jet d'air ou aspirant
• B65H 5/22 - Transfert des articles retirés des pilesAlimentation des machines en articles par jet d'air ou dispositifs aspirant
• B65H 29/16 - Délivrance ou progression des articles à la sortie des machinesProgression des articles vers ou dans les piles par contact d'une face uniquement des rubans, courroies ou chaînes mobiles
• B65H 11/00 - Tables d'alimentation

Abrégé

For assessing the functioning of an ejection unit of an inkjet print head, a comparison of a residual pressure wave with a residual pressure wave reference is employed. To enable assessment during printing, multiple residual pressure wave references are provided, each relating to a condition relevant to the residual pressure wave. Such a condition may relate to an actuation status of an adjacent ejection unit which may cause crosstalk, for example. When performing the assessment, the condition during assessment is taken into account, for example for selecting a suitable residual pressure wave reference, such that an appropriate and correct assessment can be performed independent from the conditions during assessment.

Classes IPC  ?

• B41J 2/045 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par la mise en contact sélective d'un liquide ou de particules avec un matériau d'impression à jet d'encre caractérisés par le procédé de formation du jet en produisant à la demande des gouttelettes ou des particules séparées les unes des autres par pression, p. ex. à l'aide de transducteurs électromécaniques
• B41J 2/21 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par la mise en contact sélective d'un liquide ou de particules avec un matériau d'impression à jet d'encre pour l'impression à plusieurs couleurs
• B41J 2/165 - Prévention du colmatage des ajutages, p. ex. nettoyage, obturation par un capuchon ou humidification des ajutages
• B41J 2/14 - Leur structure
• B41J 2/325 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par l'application sélective de chaleur à un matériau d'impression ou de transfert d'impression sensibles à la chaleur utilisant des têtes thermiques par le transfert sélectif d'encre à partir d'un support d'encre, p. ex. à partir d'un ruban ou d'une feuille encreurs
• B41J 2/355 - Circuits de commande pour la sélection de l'élément chauffant

Abrégé

The present invention relates to a printing system, comprising a print job receiving section permitting a user to submit a print job to the printing system, the print job comprising a plurality of print job settings, a print job queue section comprising a print job queue for print jobs submitted to the printing system and scheduled to be printed, and a proof print repository section comprising a proof print repository for proof print jobs submitted to the printing system. The printing system comprises a continuous monitoring section configured to compare print job settings of a proof print job residing in the proof print repository or scheduled in the print job queue with current resources available in the printing system according to a proof print policy. The proof print policy is attached to the proof print job and comprises a comparison criterion. Upon a match of the print job settings of the proof print job with the current resources according to the comparison criterion, the proof print job is scheduled in the print job queue.

Classes IPC  ?

• G06F 3/12 - Sortie numérique vers une unité d'impression
• H04N 1/00 - Balayage, transmission ou reproduction de documents ou similaires, p. ex. transmission de fac-similésLeurs détails

Abrégé

The present invention provides a printing system with an apparatus for defect detection comprising a sensing unit for sensing a surface geometry or topology of a sheet and for generating data representative of that surface geometry or topology, a processor device for processing the data to detect and classify deformations, and a controller for controlling further progress of the sheet along the transport path of the printing system in dependence upon the deformations detected and classified by the processor device. Furthermore, the invention provides a corresponding method of detecting defects in a printing system.

Classes IPC  ?

• B41J 29/38 - Entraînements, moteurs commandes ou dispositifs d'arrêt automatiques pour le mécanisme d'impression tout entier
• B41J 11/00 - Dispositifs ou agencements pour supporter ou manipuler un matériau de copie en feuilles ou en bandes
• B41J 13/00 - Dispositifs ou agencements spécialement adaptés pour supporter ou manipuler un matériau de copie en petites longueurs, p. ex. des feuilles
• B65H 29/62 - Aiguilleurs ou déviateurs d'articles pour dévier les articles défectueux des voies d'écoulement principales
• B65H 85/00 - Recirculation d'articles, c.-à-d. fourniture et délivrance de chaque article plus d'une fois au même poste de travail de la machine
• B65H 7/06 - Commande de l'alimentation en articles, de l'enlèvement des articles, de l'avance des piles ou d'appareils associés permettant de tenir compte d'une alimentation incorrecte, de la non présence d'articles ou de la présence d'articles défectueux par palpeurs ou détecteurs sensibles à la présence d'articles défectueux ou à l'enlèvement ou à une alimentation incorrecte
• B41J 2/21 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par la mise en contact sélective d'un liquide ou de particules avec un matériau d'impression à jet d'encre pour l'impression à plusieurs couleurs
• B65H 43/04 - Utilisation de dispositifs de commande de vérification ou de sécurité, p. ex. dispositifs automatiques comportant un élément pour détecter une variable détectant ou réagissant à la présence des articles défectueux
• B41F 33/00 - Dispositifs indicateurs, dispositifs de comptage, d'avertissement, de commande ou de sécurité

Abrégé

The invention relates to a method for ejecting a stack of sheets from an output holder attached to a printing device, the output holder configured to hold a stack of sheets printed upon by the printing device according to a plurality of print jobs submitted to the printing device, the printing device comprising a control unit for controlling the receiving of the plurality of print jobs in a print job queue and the printing of the plurality of print jobs according to the print job queue, the method comprising the steps of receiving a trigger comprising information for an ejection of the stack for another reason than a full output holder, the stack ejection to be performed before the start of the printing of a print job residing in the print job queue or after the print job residing in the print job queue has been printed, and entering a task for the ejection of the stack at a position in the print job queue, the position determining an intended moment in time of the ejection of the stack corresponding to the information comprised in the trigger. The invention also relates to a printing system configured to execute the method according to the present invention.

Classes IPC  ?

• B65H 29/00 - Délivrance ou progression des articles à la sortie des machinesProgression des articles vers ou dans les piles
• B65H 31/30 - Dispositions pour enlever les piles achevées
• B65H 39/10 - Assemblage d'articles provenant d'une seule source, p. ex. pour constituer un bloc-notes
• G06F 3/12 - Sortie numérique vers une unité d'impression
• B41J 13/00 - Dispositifs ou agencements spécialement adaptés pour supporter ou manipuler un matériau de copie en petites longueurs, p. ex. des feuilles
• B65H 43/00 - Utilisation de dispositifs de commande de vérification ou de sécurité, p. ex. dispositifs automatiques comportant un élément pour détecter une variable

Abrégé

A method for processing with a document processing system is provided. The method includes generating a sheet assembly by executing a production route model of at least one function leading to a plurality of actions, the sheet assembly including a set of transitions that result from invocation of the plurality of actions, extracting from the sheet assembly a document imposition recipe including a set of imposition descriptions generated by computing transformations and parameters for each transition performed on the sheet assembly, and rendering the imposition descriptions of the document imposition recipe on behalf of at least one source file in order to deliver impositions in a source format describing at least placement of content of pages of the source file and action marks for subsequent displaying of the impositions on a user interface of the document processing system and/or for subsequent processing on the at least one printer and/or an the at least one finisher. A document processing system is configured to execute the method.

Classes IPC  ?

• G06F 3/12 - Sortie numérique vers une unité d'impression

Abrégé

The invention provides a printing system with a transport mechanism for transporting sheets. The transport mechanism comprises: a conveyor body for supporting and conveying a plurality of sheets a transport path; suction means, and especially fan means, for generating an under-pressure at or adjacent to the conveyor body to hold the sheets fixed in position on the conveyor body as it conveys the plurality of sheets along the transport path; and a controller for controlling or regulating operation of the suction means to adjust the under-pressure generated. The controller is configured to control operation of the suction means based on delivery of the plurality of sheets to the conveyor body and/or a change in the delivery of the sheets to the conveyor body. Further, the invention provides a corresponding method of transporting sheets of a print medium in a printing system.

Classes IPC  ?

• B41J 13/00 - Dispositifs ou agencements spécialement adaptés pour supporter ou manipuler un matériau de copie en petites longueurs, p. ex. des feuilles
• B41J 11/00 - Dispositifs ou agencements pour supporter ou manipuler un matériau de copie en feuilles ou en bandes
• B41J 13/22 - Pinces ou griffes

Abrégé

at the second angular position, guiding the leading edge between the web on the transport path and the take-up roller for attaching the leading edge to the take-up roller.

Classes IPC  ?

• B65H 19/28 - Accrochage de la tête de la bande au nouveau noyau ou à la broche

Abrégé

A method for scheduling operator actions for a print job to be printed in a print-while-rip mode includes assuming at least one part of a print job duration which is unknown due to missing information, establishing at least one operator action during the at least one second part of the print job duration based on a first part of the print job duration, displaying a time bar for the print job on the user interface, the time bar starting from the established start time and including a first time bar part corresponding to and proportional to the first part of the print job duration and at least one second time bar part corresponding to the at least one second part of the print job duration, and for each established operation action, displaying a digital object representing the operator action at the corresponding moment in time on the second time bar part.

Classes IPC  ?

• G06K 15/02 - Dispositions pour produire une présentation visuelle permanente des données de sortie utilisant des imprimantes
• G06K 15/00 - Dispositions pour produire une présentation visuelle permanente des données de sortie

Abrégé

In an inkjet print head for generating a droplet of ink, the inkjet print head comprises an ink supply substrate having an ink supply channel in fluid communication with an ink supply connector channel for receiving ink from an ink reservoir and in fluid communication with an ink return connector channel for supplying ink to the ink reservoir; a droplet forming unit arranged on the ink supply substrate, the droplet forming unit having an ink inlet surface, in which ink inlet surface an ink inlet port for receiving ink from the ink supply substrate is arranged; a manifold chamber formed over the ink inlet surface of the droplet forming unit; and a filter arranged between the ink supply substrate and droplet forming unit, the filter having a first filter surface at an upstream side and a second filter surface at a downstream side, the second filter surface being opposite to the first filter surface and filter holes extending from the first filter surface to the second filter surface. The first filter surface forms a wall of the ink supply channel.

Classes IPC  ?

• B41J 2/14 - Leur structure
• B41J 2/175 - Systèmes d'alimentation en encre

Abrégé

In an inkjet print head for generating a droplet of ink, the inkjet print head comprises an ink supply substrate, a droplet forming unit arranged on the ink supply substrate and an intermediate element arranged between the ink supply substrate and the droplet forming unit. The intermediate element has a first element surface on which the droplet forming unit is arranged and the intermediate element has a second element surface opposite to the first element surface. The intermediate element is supported on the ink supply substrate at the second element surface. The intermediate element is provided with a number of support protrusions at the second element surface. Due to the support protrusions, differences in coefficient of thermal expansion of the droplet forming unit and the ink supply substrate may reduce an effect of a resulting deformation of the droplet forming unit on an image quality.

Classes IPC  ?

• B41J 2/14 - Leur structure

Abrégé

An inkjet print head for generating a droplet of ink comprises an ink supply substrate comprising an ink supply channel; a droplet forming unit arranged on the ink supply substrate; and a manifold chamber formed over an ink inlet surface of the droplet forming unit. The manifold chamber comprises a first wall formed by the ink inlet surface, a second closed wall formed opposite to the first wall and a side wall extending between the first wall and the second wall and surrounding the manifold chamber. The manifold chamber extends in a manifold plane. The inkjet print head further comprises a manifold supply channel arranged in the manifold plane and surrounding the manifold chamber. The ink supply channel is in fluid communication with the manifold supply channel. A number of manifold feed openings in the side wall provide for a fluid connection between the manifold supply channel and the manifold chamber. The number of manifold feed openings is arranged surrounding the manifold chamber to enable ink to flow into the manifold chamber in at least two different flow directions. The multiple flow directions prevent dead zones in the manifold chamber.

Classes IPC  ?

• B41J 2/14 - Leur structure

Abrégé

A method is provided for converting image data from a source format into a target format in a system including a converter for converting a sequence of data from the source format into an intermediate format, and an image processing system for converting the data from the intermediate format into the target format. The inverter is capable of dividing the data in the intermediate format into separate files. The method includes the steps of processing a first file in the image processing system; compiling a second file in the converter; and when the first file has been processed completely, instructing the converter to close the second file and send it to the image processing system and to open a new file for the next data to be converted.

Classes IPC  ?

• G06F 3/12 - Sortie numérique vers une unité d'impression
• G06K 15/02 - Dispositions pour produire une présentation visuelle permanente des données de sortie utilisant des imprimantes

Abrégé

A method for printing by means of a flatbed printer including a flatbed surface for placing a plurality of pieces of media to be printed upon, the plurality of pieces of media having different thicknesses, a control unit for controlling the printing of digital images on the plurality of pieces of media, a gantry constructed to move over the flatbed surface in a first direction and extending in a second direction, a print head configured to eject recording material on the plurality of pieces of media and attached to the gantry, the method including the steps of dividing the flatbed surface into a plurality of strips extending in the second direction over a length of the flatbed surface in the second direction, storing a position of each of the plurality of strips in storage of the control unit, for each strip coupling in storage a thickness range to the strip, the thickness range including a maximum allowed thickness for a piece of media to be placed in the strip on the flatbed surface and a minimum allowed thickness for a piece of media to be printed upon when placed in the strip on the flatbed surface, establishing a position of each piece of media of the plurality of pieces of media in the appropriate strip according to the thickness of the piece of media, moving the print head over the flatbed surface, and ejecting the recording material on the plurality of pieces of media when moving the print head over the flatbed surface, wherein upon the print head reaching a strip when moving over the flatbed surface, adapting the distance from the print head to the flatbed surface according to the thickness range coupled to the strip.

Classes IPC  ?

• B41J 3/28 - Machines à écrire ou mécanismes d'impression ou de marquage sélectif caractérisés par le but dans lequel ils sont construits pour l'impression de haut en bas des surfaces planes, p. ex. de livres, dessins, boîtes
• B41J 13/00 - Dispositifs ou agencements spécialement adaptés pour supporter ou manipuler un matériau de copie en petites longueurs, p. ex. des feuilles

Abrégé

The present invention relates to an aqueous reaction liquid comprising a salt, a first surfactant being an amphoteric surfactant and a second surfactant being a non-ionic surfactant, preferably selected from the group consisting of hydrophilic silicones (such as polyalkylene oxide modified silicones/polyether modified silicones), alkoxylated alcohols, fluorosurfactants, polyether modified silicone surfactants and polyethyleneoxides. Reaction liquids according to the present invention show improved spreading on print substrates when applied, which is beneficial when the reaction liquid is applied by an ink jet method. The present invention further pertains to an ink set comprising such a reaction liquid and a method of printing using such an ink set.

Classes IPC  ?

• C09D 11/54 - Encres à base de deux liquides, l’un des liquides étant l’encre, l’autre liquide étant une solution de réaction, un fixateur ou une solution de traitement pour l’encre
• C09D 11/322 - Encres à pigments
• C09D 11/38 - Encres pour l'impression à jet d'encre caractérisées par des additifs non macromoléculaires autres que les solvants, les pigments ou les colorants
• C09D 11/40 - Jeux d’encres spécialement adaptés à l’impression à jet d’encre à plusieurs couleurs
• B41J 2/01 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par la mise en contact sélective d'un liquide ou de particules avec un matériau d'impression à jet d'encre

Abrégé

A user interface for at least one media processing apparatus includes a display device connected to an apparatus control system and arranged to visualize timings of events occurring or expected to occur in a processing sequence of the apparatus, the timings being visualized by showing an indication of each event on a timeline that has a certain time scale and a certain zero point, wherein the timeline has at least two sections which differ in the time scale and/or the zero point.

Classes IPC  ?

• G06F 3/0484 - Techniques d’interaction fondées sur les interfaces utilisateur graphiques [GUI] pour la commande de fonctions ou d’opérations spécifiques, p. ex. sélection ou transformation d’un objet, d’une image ou d’un élément de texte affiché, détermination d’une valeur de paramètre ou sélection d’une plage de valeurs
• G06F 3/0485 - Défilement ou défilement panoramique
• G06F 3/12 - Sortie numérique vers une unité d'impression
• H04N 1/00 - Balayage, transmission ou reproduction de documents ou similaires, p. ex. transmission de fac-similésLeurs détails

Abrégé

A print head includes a plurality of chip-like tiles arranged on a common substrate, each tile having a front face with an array of recording elements disposed in the front face in a predetermined pattern, and a generally rectangular contour with a cut-out formed at at least one of its four corners, each cut-out being delimited by two reference-defining walls extending normal to one another and to the front face and serving as a reference for positioning the tiles on the substrate so as to establish a predetermined positional relationship between the recording elements of the different tiles. The substrate has a plurality of recesses accommodating each at least a part of a tile and having side walls that define engagement surfaces for each of the reference-defining walls of each tile, the substrate is formed of a material that is suitable for photo-lithographic processing, and the engagement surfaces of the substrate are surfaces formed by photo-lithographic techniques.

Classes IPC  ?

• B41J 2/14 - Leur structure
• B41J 2/155 - Leur agencement pour l'impression ligne par ligne

Abrégé

A method of printing includes a. providing a substrate, a reaction liquid including a coagulation agent and an ink set including a first ink composition including a first colorant and a second ink composition including a second colorant, different from the first colorant, wherein both the first colorant and the second colorant are dispersed as primary particles in the first ink composition and the second ink composition, respectively; b. applying the reaction liquid to a first surface of the substrate; c. printing a first layer of the first ink composition and a second ink layer of the second ink composition on the first surface of the substrate, wherein upon contact with the coagulation agent, the primary particles present in the first ink layer and in the second ink layer agglomerate such that secondary particles are formed in the first ink layer and in the second ink layer respectively, wherein the first ink layer obtains a first opacity and the second ink layer obtains a second opacity, wherein the ink layer obtaining the highest opacity is printed first. With such a method, the color gamut of an ink set including inks having a high light-fastness can be significantly improved. Printed matter, printed with the method is also disclosed.

Classes IPC  ?

• B41J 2/21 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par la mise en contact sélective d'un liquide ou de particules avec un matériau d'impression à jet d'encre pour l'impression à plusieurs couleurs
• C09D 11/54 - Encres à base de deux liquides, l’un des liquides étant l’encre, l’autre liquide étant une solution de réaction, un fixateur ou une solution de traitement pour l’encre
• C09D 11/03 - Encres d’imprimerie caractérisées par des particularités autres que la nature chimique du liant
• C09D 11/107 - Encres d’imprimerie à base de résines artificielles contenant des composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone à partir d'acides non saturés ou de leurs dérivés
• C09D 11/322 - Encres à pigments
• C09D 11/38 - Encres pour l'impression à jet d'encre caractérisées par des additifs non macromoléculaires autres que les solvants, les pigments ou les colorants

Abrégé

The present invention provides a refill adapter for coupling a closure of a toner bottle to a toner reservoir, the refill adapter comprising: a base having an insertion area for receiving the closure inserted therein and an opening mechanism for opening the closure, wherein the opening mechanism is configured to hold a first closure member of the closure and to move a second closure member of the closure relative to the first closure member along an axis between a closed position, in which the second closure member cooperates with the first closure member to close or seal an outlet opening of the closure, and an open position for dispensing toner from the toner bottle through the outlet opening into the toner reservoir; a sealing device comprising a first sealing part, which is fixed to the base, and a second sealing part, which is movable relative to the first sealing part, wherein the second sealing part is configured to be moved together with the second closure member along the axis and to thereby contact the second closure member for isolating an outer region of the closure from an inner region of the closure, which is in contact with toner. Furthermore, the invention provides a corresponding method of coupling a toner bottle to a toner reservoir, and a printing system comprising such a refill adapter and/or for performing such a method.

Classes IPC  ?

• G03G 15/08 - Appareils pour procédés électrographiques utilisant un dessin de charge pour développer en utilisant un développateur solide, p. ex. développateur en poudre

Abrégé

Disclosed is a method for preparing a nozzle surface provided with a coating having anti-wetting and anti-fouling property. The method is based, for example, on the self-healing property of the coating used in the method. Also disclosed is a nozzle surface having such coating and a print head having the nozzle surface.

Classes IPC  ?

• B41J 2/135 - Ajutages
• B41J 2/16 - Fabrication d'ajutages

Abrégé

A medium support member comprising an overlay (1) which comprises a plurality of through-holes (5) for applying a suction force to a medium, and a spacer array (10), which spacer array comprising at least one spacer member (12) and is provided on the bottom surface of the overlay for forming a gap (13) between the table and the overlay. The overlay further comprises a recess (3) for a medium registration element, which recess extends from the top surface of the overlay to the bottom surface of the overlay. The at least one spacer member on the bottom surface of the overlay is positioned between the recess and a through-hole (5a). A groove (6) is provided in the top surface of the overlay, which groove extends from the through-hole (5a) over the at least one spacer member (12) for applying a suction force to a medium.

Classes IPC  ?

• B41F 15/20 - Porte-objets avec des éléments commandés par aspiration
• B41J 11/00 - Dispositifs ou agencements pour supporter ou manipuler un matériau de copie en feuilles ou en bandes
• B41J 11/06 - Appuis plats de la dimension d'une page

Abrégé

In a printing assembly for providing an image on a medium, the printing assembly comprises a print station for providing a recording substance on the medium for forming the image. The recording substance releases a gaseous emission after application on the medium. An air stream supply unit and an air stream pick-up unit for generating an air stream from the air stream supply unit to the air stream pick-up unit are provided and arranged such that the air stream is positioned between a printed part of the medium, on which printed part the recording substance is provided, and a surroundings of the printing assembly. The air stream thus forms an air curtain preventing the gaseous emission from entering the surroundings.

Classes IPC  ?

• B41J 29/377 - Dispositions pour le refroidissement ou la ventilation

Abrégé

A method and print system for stopping the print system are disclosed. The print system includes a control unit for controlling the printing of sheets, a print engine for printing recording material on the sheets, an input tray for holding sheets to be printed upon, and a finishing unit. The method includes scheduling printing and finishing of a plurality of sheets, including sending a sheet request from the control unit to the finishing unit, and upon receiving the sheet request, the finishing unit provides an earliest expected arrival time of a sheet at the finishing unit to the control unit. When this time is too huge, operator intervention is required and the finishing unit reports an error to the control unit, after a previous sheet has been deposited in the finishing unit, and the control units stops the print engine before the sheet leaves the input tray.

Classes IPC  ?

• G06K 15/00 - Dispositions pour produire une présentation visuelle permanente des données de sortie
• B41J 13/00 - Dispositifs ou agencements spécialement adaptés pour supporter ou manipuler un matériau de copie en petites longueurs, p. ex. des feuilles
• B41J 2/01 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par la mise en contact sélective d'un liquide ou de particules avec un matériau d'impression à jet d'encre
• B41J 29/387 - Dispositifs d'arrêt automatique
• G03G 15/00 - Appareils pour procédés électrographiques utilisant un dessin de charge

Abrégé

The present invention relates to a colored toner composition that shows improved fusing behavior. The toner composition comprises a small amount of iron oxide. The invention further relates to the use of between 0.1 and 4 wt% of iron oxide in a colored toner composition for said purpose.

Classes IPC  ?

• G03G 9/087 - Liants pour les particules de toner
• G03G 9/09 - Agents colorants pour les particules de toner

Abrégé

A system and method for adding a print medium digitally to a print system are disclosed. The print system has a control unit for controlling a print job queue and print system parameters, a print engine, an input section, and a receiving section. The method includes receiving the print medium in the input section, loading a test job having prescribed print system parameters in the receiving section, printing a large number of prints of the test job to establish an unwanted deposit of marking material on the side of the stack, and establishing whether or not an unwanted marking material is deposited on a stack height side of the stack. If unwanted deposit is established, then printing a number of blank sheets of the same print medium, adjusting the print system parameters, and returning to printing. If no unwanted deposit is established, approving the use of the print medium.

Classes IPC  ?

• B41J 11/00 - Dispositifs ou agencements pour supporter ou manipuler un matériau de copie en feuilles ou en bandes
• G03G 5/05 - Matériaux de liaison organiquesMéthodes d'enduction d'un substrat avec une couche photoconductriceAdditifs inertes utilisables dans des couches photoconductrices
• B41J 29/38 - Entraînements, moteurs commandes ou dispositifs d'arrêt automatiques pour le mécanisme d'impression tout entier
• G03G 15/00 - Appareils pour procédés électrographiques utilisant un dessin de charge

Abrégé

An apparatus is provided for positioning a substrate on a support body. The apparatus comprises the support body for supporting the substrate, at least one registration element, wherein said at least one registration element is positioned and arranged for registering the substrate in a preselected position on the support body when brought into a registering state. The apparatus further comprises a registration actuator movably arranged with respect to the support body for selectively arranging a registration element into the registering state.

Classes IPC  ?

• B41J 11/00 - Dispositifs ou agencements pour supporter ou manipuler un matériau de copie en feuilles ou en bandes

Abrégé

A printing system includes a local user interface arranged to be attached to the printing system, a plurality of functional modules, and a control system. The local user interface has a display device connected to the control system, and the display device displays information on a display screen. The orientation of the display device may be detected via a determining device. The control system receives the orientation of the display device, upon a change of the orientation of the display device, and automatically determines a functional module of the plurality of modules, which is in an operator's perception view. The display device receives the information regarding the determined functional module and displays this information on an information window. A method for displaying information of a printing system is also disclosed.

Classes IPC  ?

• B41J 3/46 - Mécanismes d'impression combinés avec des appareils donnant une indication visuelle
• H04N 1/00 - Balayage, transmission ou reproduction de documents ou similaires, p. ex. transmission de fac-similésLeurs détails
• G03G 15/00 - Appareils pour procédés électrographiques utilisant un dessin de charge

Abrégé

The present invention provides a guide device for guiding print medium onto a take-up roll in a printing system. The guide device comprises a first guide member presenting a substantially planar surface for limiting or preventing lateral deviation of a printed medium output from the printing system as the medium moves along a transport path towards a take-up roll for winding or taking up a length of the medium. The first guide member is stationary in use. A position of the first guide member is adjustable in a direction transverse to the transport path for setting the position to limit or prevent lateral deviation of the medium along the transport path. The guide device further comprises a second guide member presenting a support surface configured and arranged to support the medium thereon as the medium travels along the transport path towards the take-up roll. The first guide member and the second guide member are preferably integrally formed as a guide unit. Further, the invention provides a printing system which incorporates such a guide device.

Classes IPC  ?

• B41J 15/04 - Dispositifs de supports, d'alimentation ou de guidageMontages pour rouleaux ou axes
• B41J 2/01 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par la mise en contact sélective d'un liquide ou de particules avec un matériau d'impression à jet d'encre
• B65H 29/52 - Guides ou lissoirs fixes
• B65H 23/04 - Positionnement, tension, suppression des à-coups ou guidage des bandes longitudinal
• B65H 19/24 - Accumulation d'un surplus de bande sortie pendant le changement de bobine
• B65H 20/32 - Dispositions pour accumuler un surplus de bande par formation de boucles
• B65H 23/032 - Commande du positionnement transversal de la bande
• B65H 23/10 - Positionnement, tension, suppression des à-coups ou guidage des bandes longitudinal par dispositifs de retardement, p. ex. agissant sur la broche de la bobine agissant sur la bande en marche
• B65H 29/00 - Délivrance ou progression des articles à la sortie des machinesProgression des articles vers ou dans les piles

Abrégé

A printing assembly comprises a medium support surface, a guide assembly and a carriage support structure for moveably supporting a print head carriage on the guide assembly. The guide assembly is arranged to move the print head carriage in a carriage plane, which carriage plane is parallel to the medium support surface. The guide assembly comprises a guide beam; and a guide rail arranged on the guide beam. The guide rail and the guide beam each extend in a scanning direction. The printer carriage support structure comprises a guide frame arranged on the guide rail and the guide frame is moveable in the scanning direction and extends in the scanning direction between a first support position and a second support position. The guide frame is supported on the guide rail at said first support position and at said second support position. A carriage frame is moveably supported on the guide rail through the guide frame. The carriage frame is coupled to the guide frame such that the carriage frame is moveable relative to the guide frame in the carriage plane.

Classes IPC  ?

• B41J 25/00 - Mécanismes ou mouvements non prévus ailleurs
• B41J 2/01 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par la mise en contact sélective d'un liquide ou de particules avec un matériau d'impression à jet d'encre

Abrégé

An ink-jet printing method includes printing an image with at least one ink on a recording medium, and applying a cover liquid on the image formed with the at least one ink within 1 s after printing the image with the at least one ink. An ink-jet printing apparatus includes at least one printing unit for printing an image with at least one ink on a recording medium, and an application unit for applying a cover liquid on the image formed with the at least one ink.

Classes IPC  ?

• B41J 2/01 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par la mise en contact sélective d'un liquide ou de particules avec un matériau d'impression à jet d'encre
• B41J 11/00 - Dispositifs ou agencements pour supporter ou manipuler un matériau de copie en feuilles ou en bandes

Abrégé

The present invention provides apparatus for assisting change-over of take-up rolls in a printing system, especially in a roll-to-roll printing system. The apparatus comprises a guide device for directing or guiding printed sheet output from the printing system along a transport path towards a take-up roll for winding or taking up a length of the printed sheet, and a first clamping device for holding a new leading edge region of the printed sheet formed after the printed sheet is cut to terminate the length of the sheet to be wound or taken up onto the take-up roll. The first clamping device is configured to hold or clamp the new leading edge region of the printed sheet against movement along the transport path towards the take-up roll. The guide device is movable to redirect the printed sheet output from the printing system to a buffer zone, and the guide device is configured to redirect the printed sheet to the buffer zone when the first clamping device holds or clamps the new leading edge region of the printed sheet. Furthermore, the invention provides a corresponding method of handling take-up rolls in a printing system.

Classes IPC  ?

• B41J 2/00 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus
• B41J 11/00 - Dispositifs ou agencements pour supporter ou manipuler un matériau de copie en feuilles ou en bandes

Abrégé

A process of manufacturing droplet jetting devices (10; 10') by bonding together a nozzle wafer (16a) defining nozzles (50) of the jetting devices, a membrane wafer (14a) carrying, on a membrane (30), actuators (32) for generating pressure waves in a liquid in pressure chambers (20) that are connected to the nozzles (50), and a distribution wafer (12a) forming a distribution layer (12) that defines supply lines (18) for supplying the liquid to the pressure chambers (20), from a liquid reservoir formed on a side of the distribution layer opposite to the membrane wafer, and by dicing the bonded wafers, characterized in that the distribution layer (12) has a thickness larger than the thickness of each of the other two wafers (14a, 16a), and a restrictor (56) for controlling the inertance of the liquid supply line (18) is formed through the distribution layer (12) in a direction normal to the plane of that layer.

Classes IPC  ?

• B41J 2/14 - Leur structure
• B41J 2/16 - Fabrication d'ajutages

Abrégé

The invention relates to a printing system for printing a plurality of print jobs, the printing system having a receiving unit for receiving the print jobs, a controller for controlling a scheduling process and a printing process of the print jobs, a print unit for printing the print jobs, a plurality of supply holders for holding supply material for printing, and a user interface for communicating to the operator scheduled supply operator actions. Each of the scheduled supply operator actions is linked to one of the plurality of supply holders. The controller has an establishing unit for establishing a time period of unattended printing of the printing system, and a determination unit for determining scheduled supply operator actions per holder needed to be done before the time period of unattended printing starts. The user interface displays the established time period of unattended printing and the determined supply operator actions per holder. The invention also relates to a method suitable for application in the printing system.

Classes IPC  ?

• G06F 15/00 - Calculateurs numériques en généralÉquipement de traitement de données en général
• G06F 3/12 - Sortie numérique vers une unité d'impression
• H04N 1/00 - Balayage, transmission ou reproduction de documents ou similaires, p. ex. transmission de fac-similésLeurs détails

Abrégé

The present invention relates to a pre-treatment liquid providing improved spreading property when printing an ink-jet image, as well as an an ink-jet printing method comprising applying the pre-treatment liquid of the invention on a recording medium prior to printing an ink-jet image and a method of pre-treating a recording medium, comprising pre-treating a recording medium with the pre-treatment liquid of the invention. With the present pre-treatment liquid a combination an improved spreading of the ink on the pre-treated recording medium can be achieved.

Classes IPC  ?

• B41M 5/00 - Procédés de reproduction ou méthodes de reproduction ou de marquageMatériaux en feuilles utilisés à cet effet
• C09D 125/00 - Compositions de revêtement à base d'homopolymères ou de copolymères de composés possédant un ou plusieurs radicaux aliphatiques non saturés, chacun ne contenant qu'une seule liaison double carbone-carbone et l'un au moins étant terminé par un carbocycle aromatiqueCompositions de revêtement à base de dérivés de tels polymères
• C09D 139/00 - Compositions de revêtement à base d'homopolymères ou de copolymères de composés possédant un ou plusieurs radicaux aliphatiques non saturés, chacun ne contenant qu'une seule liaison double carbone-carbone et l'un au moins étant terminé par une liaison simple ou double à un azote ou par un hétérocycle contenant de l'azoteCompositions de revêtement à base de dérivés de tels polymères
• C09D 11/30 - Encres pour l'impression à jet d'encre
• C09D 11/54 - Encres à base de deux liquides, l’un des liquides étant l’encre, l’autre liquide étant une solution de réaction, un fixateur ou une solution de traitement pour l’encre

Abrégé

An ink storage apparatus and an agitator device in a printing system having at least one agitator member rotatable about an axis, wherein the agitator member includes a plurality of fin elements that extend out of a primary plane of the agitator member. The agitator member includes a paddle element having a generally planar rectangular configuration, and a plurality of fin elements that extend out of a plane of the paddle element. The ink storage apparatus has at least one ink container defining a storage volume for holding a predetermined volume of printing ink, and the agitator device is arranged within the storage volume of the ink container for agitating the ink.

Classes IPC  ?

• B41J 2/175 - Systèmes d'alimentation en encre

Abrégé

A print fleet system includes a plurality of printer instances, which have a same set of at least one system setting. A registration system registers print jobs in combination with system settings of the same set of at least one system setting. An advice system generates advice for an operator. The registration system includes a value change made to the set of at least one system setting of a printer instance before printing a print job on the print engine. The advice system is configured to generate advice related to the same print job intended to be printed on another printer instance, the advice concerning the change includes in the registration system. The advice system is configured to transmit signals representing the advice to a user interface screen in order to advise the operator before printing the same print job on the other printer instance.

Classes IPC  ?

• G06F 3/12 - Sortie numérique vers une unité d'impression
• H04N 1/32 - Circuits ou dispositions pour la commande ou le contrôle entre l'émetteur et le récepteur

Abrégé

An ink storage apparatus for a printing system includes at least one ink container defining a storage volume for holding a predetermined volume of printing ink, the ink container being elongate and having a substantially uniform cross-sectional profile perpendicular to a longitudinal axis thereof. The cross-sectional profile is elliptical or oval. The ink storage apparatus in a printing system includes at least one ink container defining a storage volume for holding a predetermined volume of printing ink, and an agitator device arranged within the storage volume of the ink container for agitating the ink. The agitator device includes at least one agitator member which is configured to rotate about an axis. The agitator member includes a paddle element having a generally planar rectangular configuration, and a plurality of fin elements which are configured or arranged to extend out of a plane of the paddle element.

Classes IPC  ?

• B41J 2/175 - Systèmes d'alimentation en encre
• B01F 7/00 - Mélangeurs à agitateurs tournant dans des récipients fixes; Pétrins

Abrégé

A method for creating and processing specifications for a combined print product includes determining a plurality of parts needed to produce the combined print product, selecting a corresponding digital representation of the determined part from a digital representation collection, displaying the digital representations, and creating a digital hierarchical structure of the digital representations. An order in the digital hierarchical structure defines usage of the parts, appliance of the parts and a combination of the parts in a production process of the combined print product. Each part of the plurality of parts belongs to a part category out of a set of part categories, and the plurality of parts includes at least two resources, at least one device action, at least one finishing action, at least one combination action, at least one device and at least two logical concepts. A combined print product processing system is configured to apply the method.

Classes IPC  ?

• G06F 3/12 - Sortie numérique vers une unité d'impression
• G06K 15/02 - Dispositions pour produire une présentation visuelle permanente des données de sortie utilisant des imprimantes
• G06K 15/00 - Dispositions pour produire une présentation visuelle permanente des données de sortie

Abrégé

A printer includes a print head fastening facing a medium support surface; a scanning print carriage being movable along a guide in a scanning direction (Y); and a transporter for transporting the medium in a transport direction (X). The printer includes a suspension structure connecting the print head fastening to the scanning print carriage while allowing movement of the print head fastening with respect to the scanning print carriage in a direction (X) parallel to the transport direction. The suspension structure is elastically deformable to allow for the movement in said direction (X).

Classes IPC  ?

• B41J 2/01 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par la mise en contact sélective d'un liquide ou de particules avec un matériau d'impression à jet d'encre
• B41J 25/00 - Mécanismes ou mouvements non prévus ailleurs

Abrégé

A method of removing an electric crosstalk contribution is disclosed. This crosstalk exists in a monitoring signal from a monitored electro-mechanical transducer in a device comprising a plurality of electro-mechanical transducers which are driven by actuation signals so as to produce acoustic waves in an acoustic frequency range. The method comprises the steps of: (a) applying an actuation signal to at least one of the transducers other than the monitored transducer; (b) detecting the monitoring signal in a high frequency range outside of the acoustic frequency range; (c) deriving, from the detected monitoring signal, a number of parameters that characterize the electric crosstalk; and (d) using said parameters to calculate the electric crosstalk contribution in the acoustic frequency range.

Classes IPC  ?

• H04R 3/00 - Circuits pour transducteurs
• H04R 29/00 - Dispositifs de contrôleDispositifs de tests
• B41J 2/045 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par la mise en contact sélective d'un liquide ou de particules avec un matériau d'impression à jet d'encre caractérisés par le procédé de formation du jet en produisant à la demande des gouttelettes ou des particules séparées les unes des autres par pression, p. ex. à l'aide de transducteurs électromécaniques

Abrégé

The invention further relates to an ink set comprising such an ink composition and a primer composition comprising a precipitating agent, preferably a multivalent metal salt. The invention also relates to a method of printing using such an ink set. The inks and ink sets according to the present invention are capable of improving the transport robustness of prints, in particular of prints on machine coated media.

Classes IPC  ?

• B41J 2/01 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par la mise en contact sélective d'un liquide ou de particules avec un matériau d'impression à jet d'encre
• C09D 11/107 - Encres d’imprimerie à base de résines artificielles contenant des composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone à partir d'acides non saturés ou de leurs dérivés
• C09D 11/10 - Encres d’imprimerie à base de résines artificielles
• C09D 11/322 - Encres à pigments
• C09D 11/38 - Encres pour l'impression à jet d'encre caractérisées par des additifs non macromoléculaires autres que les solvants, les pigments ou les colorants
• C09D 11/40 - Jeux d’encres spécialement adaptés à l’impression à jet d’encre à plusieurs couleurs
• C09D 11/54 - Encres à base de deux liquides, l’un des liquides étant l’encre, l’autre liquide étant une solution de réaction, un fixateur ou une solution de traitement pour l’encre

Abrégé

In a printer assembly for image-wise providing a recording substance on a recording medium, the printer assembly comprises a print surface for supporting the recording medium; a gantry supporting a print head; and a medium supply assembly for step-wise supplying the recording medium over the print surface in a medium transport direction. The print head is configured to provide a swath of the recording substance on the recording medium arranged on the print surface in a scanning direction. The gantry is rotatable in a plane substantially parallel to the print surface such that the scanning direction is rotatable relative to the medium transport direction. Thus, skewing of the recording medium may be compensated such to prevent visibility of banding due to misalignment of subsequently printed swaths.

Classes IPC  ?

• B41J 11/44 - Commandes par des dispositifs, p. ex. des bandes-programme ou des roues de contact, solidaires du mouvement des dispositifs d'entraînement du papier, p. ex. par rotation des appuis
• B41J 15/08 - Dispositifs de supports, d'alimentation ou de guidageMontages pour rouleaux ou axes caractérisés par leur application à des systèmes d'impression ayant des chariots se déplaçant transversalement
• B41J 11/00 - Dispositifs ou agencements pour supporter ou manipuler un matériau de copie en feuilles ou en bandes
• B41J 15/04 - Dispositifs de supports, d'alimentation ou de guidageMontages pour rouleaux ou axes
• B41J 19/00 - Mécanismes d'espacement des caractères ou des lignes
• B41J 25/00 - Mécanismes ou mouvements non prévus ailleurs

Abrégé

The present invention provides a plasma discharging treatment apparatus, comprising axfirst and second electrode for generating a plasma or corona, a transport path extending between the first and second electrode, wherein the second electrode comprises at least two rotatable transport rollers for transporting a cut sheet medium along the transport path, and wherein a guide member is positioned between the at least two transport rollers to define the transport path between the at least two transport rollers. The invention further provides a method for the plasma or corona treatment of cut sheet media.

Classes IPC  ?

• B41F 21/00 - Dispositifs de transport des feuilles à l'intérieur d'un appareil ou d'une machine à imprimer
• B41F 23/06 - Dispositifs de poudrage, p. ex. pour empêcher le maculage
• B65H 5/00 - Transfert des articles retirés des pilesAlimentation des machines en articles
• B65H 5/06 - Transfert des articles retirés des pilesAlimentation des machines en articles par rouleaux
• B65H 5/16 - Transfert des articles retirés des pilesAlimentation des machines en articles par dispositifs à poussoir, à aiguilles, à friction ou par dispositifs similaires adaptés pour alimenter en articles individuels une surface ou une table
• H01T 19/00 - Dispositifs prévus pour la décharge corona
• B65H 5/36 - Guides ou lissoirs pour articles, p. ex. mobiles pendant le travail

Abrégé

The invention relates to a method of assigning a print job to a print job queue of a printer, the method comprising the steps of displaying an overview of print job queue representations on a user interface system, each print job queue representation suitable for showing image items representing print jobs in a print job queue dedicated to a printer of a plurality of printers, selecting a first image item of the overview of print job representation, the image item representing a first print job residing in a first print job queue of which a print job queue representation is displayed in the overview, the first print job queue dedicated to a first printer of the plurality, dragging the first image item to a second print job queue representation displayed in the overview, the second print job queue representation representing a second print job queue dedicated to a second printer of the plurality, dropping the first image item on the second print job queue representation displayed in the overview, removing the first print job from the first print job queue, adding the first print job to the second print job queue, and placing the first image item in the second print job queue representation, wherein the method comprises the step of during dragging of the first image item and before dropping of the first image item providing visual feedback of the impact of at least one of the steps according to the method. The invention also relates to a print fleet system configured to apply the method according to the invention.

Classes IPC  ?

• G06F 3/12 - Sortie numérique vers une unité d'impression

Abrégé

A droplet ejection device having a nozzle head (10) with a plurality of ejection units (28) each of which comprises a nozzle (12), a duct (16) connected to the nozzle, and an electromechanical transducer (22) arranged to create a pressure wave in a liquid in the duct (16) so as to expel a droplet of the liquid from the nozzle (12), the device further comprising an electronic control circuit (32) arranged to apply control signals to the transducers (22) and to receive detection signals that are generated in the transducers in response to the transducer being exposed to pressure fluctuations, wherein the nozzle head (10) comprises a reference duct (42) which has an electromechanical transducer serving as a reference transducer (44), and the control circuit (32) is arranged to subtract a detection signal of the reference transducer (44) from a detection signal of at least one of the ejection units (28).

Classes IPC  ?

• B41J 2/045 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par la mise en contact sélective d'un liquide ou de particules avec un matériau d'impression à jet d'encre caractérisés par le procédé de formation du jet en produisant à la demande des gouttelettes ou des particules séparées les unes des autres par pression, p. ex. à l'aide de transducteurs électromécaniques
• B41J 2/14 - Leur structure

Abrégé

The invention relates to a print system comprising a plurality of printers for printing print jobs, a user interface screen connected to the print system, each printer of the plurality of printers comprising a print job scheduling module for planning a print job schedule for print jobs submitted to the printer and an operational action scheduling module for planning an operational action schedule of operational actions to be applied to the printer, a control unit comprising a first merging module for merging for each printer the print job schedule and the operational action schedule into a first merged schedule, the control unit configured to control for each printer display of the first merged schedule on the user interface screen, wherein the control unit comprises a second merging module for merging the operational action schedules of the plurality of printers chronologically into a second merged schedule, and the control unit is configured to control display of the second merged schedule along the first merged schedule on the user interface screen. The invention further relates to a method to be applied in the print system.

Classes IPC  ?

• G06F 3/12 - Sortie numérique vers une unité d'impression

Abrégé

The present invention provides an apparatus for handling take-up rolls in a printing system. The apparatus comprises: a holder device for holding a take-up roll in a take-up position, wherein the take-up roll is rotatable about a longitudinal axis thereof in the take-up position for taking-up printed sheet output from the printing system. The holder device is movable to release or discharge the take-up roll from the holder device when the take-up roll is full or when a print job is finished, wherein a movement of the holder device to release or discharge a full take-up roll also operates to load a new take-up roll onto the holder device and into the take-up position. Furthermore, the invention provides a corresponding method of handling take-up rolls in a printing system.

Classes IPC  ?

• B65H 19/30 - Levage, transport ou enlèvement de la bobineInsertion du noyau

Abrégé

An imaging system includes an imaging station, an actuator for driving a medium roller for controllably displacing the medium along a media transport path, and a controller assembly. The controller assembly includes a sensor device for generating a position signal and a processor for processing the position signal. The actuator is actuated in response to an actuation command from the controller assembly, which actuation command is derivable from a feedback component and a feedforward component. The feedback component is based on a position error. The processor is further arranged for determining a time dependent status parameter, which status parameter represents a status of the medium on the medium roller. The processor is further arranged for deriving an actuation command estimate based on the status parameter, and wherein the feedforward component includes the actuation command estimate.

Classes IPC  ?

• G06K 15/00 - Dispositions pour produire une présentation visuelle permanente des données de sortie
• H04N 1/00 - Balayage, transmission ou reproduction de documents ou similaires, p. ex. transmission de fac-similésLeurs détails
• B41J 15/04 - Dispositifs de supports, d'alimentation ou de guidageMontages pour rouleaux ou axes
• G05B 11/42 - Commandes automatiques électriques avec les dispositions nécessaires pour obtenir des caractéristiques particulières, p. ex. proportionnelles, intégrales, différentielles pour obtenir une caractéristique à la fois proportionnelle et dépendante du temps, p. ex. P.I., P.I.D.
• G05B 13/04 - Systèmes de commande adaptatifs, c.-à-d. systèmes se réglant eux-mêmes automatiquement pour obtenir un rendement optimal suivant un critère prédéterminé électriques impliquant l'usage de modèles ou de simulateurs

Abrégé

In a print head having a bimorph thin-film piezo actuator, the piezo-electric actuator is arranged on a membrane at a first side of the piezo-electric actuator and a passive layer is arranged on the piezo-electric actuator at a second side of the piezo-electric actuator, wherein the second side is opposite to the first side. The membrane is more compliant, at least in a lateral direction, for contraction than the passive layer. Thus, a bending direction of the actuator is affected. As a consequence, there is no need for a bias voltage on the actuator during a standby state of the print head. Omitting the bias voltage during standby results in an increased lifetime and stability of the actuator assembly.

Classes IPC  ?

• B41J 2/14 - Leur structure

Abrégé

A system and a method for automatically processing a plurality of sheets. The method includes receiving printing instructions, receiving finishing instructions, after printing, in order to form a stack of printed and finished sheets, the finishing instructions includes an instruction to create a new target stack edge extending in a direction of a stack height on each of the plurality of sheets, printing a mark on each sheet of a group of sheets of the plurality of sheets, the mark intended to hit the new target stack edge in a group of at least one target hit point, and finishing the plurality of printed sheets according to the finishing instructions to create a new actual stack edge. A plurality of actual hit points form a pattern on the new actual stack edge and comprises a continuous proportional indication for a degree of correctness of the printing and/or finishing operation.

Classes IPC  ?

• B65H 43/00 - Utilisation de dispositifs de commande de vérification ou de sécurité, p. ex. dispositifs automatiques comportant un élément pour détecter une variable
• B65H 5/34 - Variation de la phase d'alimentation par rapport à la machine de réception
• G03G 15/00 - Appareils pour procédés électrographiques utilisant un dessin de charge
• B41J 13/00 - Dispositifs ou agencements spécialement adaptés pour supporter ou manipuler un matériau de copie en petites longueurs, p. ex. des feuilles
• B65H 37/06 - Appareils délivrant des articles ou des bandes, comportant des dispositifs pour exécuter des opérations auxiliaires particulières pour plier
• B65H 39/10 - Assemblage d'articles provenant d'une seule source, p. ex. pour constituer un bloc-notes

Abrégé

A printing system includes a storage unit, a print unit and a control unit. The storage unit includes a print media catalog including a list of print media, each print medium in the list having a plurality of media attribute values characterizing the print medium, and each print medium categorized in at least one group based on at least one media attribute value. The print unit includes a print head for ejecting marking material on a print medium of the list. The control unit is configured to control the printing on a print medium of the list according to a plurality of optimization parameters, an optimization parameter being related to the at least one media attribute value used for categorization in a group of the at least one group. Upon receipt of a value of a particular optimization parameter for a print medium categorized in a particular group of the at least one group, the received value is automatically propagated to other print media categorized in the same particular group. A method is suitable for application in the printing system.

Classes IPC  ?

• B41J 11/00 - Dispositifs ou agencements pour supporter ou manipuler un matériau de copie en feuilles ou en bandes
• G06K 15/02 - Dispositions pour produire une présentation visuelle permanente des données de sortie utilisant des imprimantes
• G06K 15/00 - Dispositions pour produire une présentation visuelle permanente des données de sortie
• B41J 2/045 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par la mise en contact sélective d'un liquide ou de particules avec un matériau d'impression à jet d'encre caractérisés par le procédé de formation du jet en produisant à la demande des gouttelettes ou des particules séparées les unes des autres par pression, p. ex. à l'aide de transducteurs électromécaniques

Abrégé

A flatbed printer assembly includes a medium support table for supporting a recording medium, the table extending in a first direction and a second direction, the first direction being perpendicular to the second direction; a gantry arranged to be moveable over the medium support table in the first direction; a carriage support movably arranged on the gantry to move over the medium support table in the second direction; a carriage configured to be detachably coupled to the carriage support; a carriage station for holding the carriage, when such carriage is detached from the carriage support; wherein the carriage support is configured to engage and disengage the carriage at the carriage station.

Classes IPC  ?

• B41J 25/34 - Têtes ou chariots d'impression remplaçables
• B41J 2/51 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par le procédé de formation de caractères applicable à plusieurs types de procédés d'impression ou de marquage à partir d'un ensemble d'éléments d'impression identiques du type à impression en série
• B41J 3/28 - Machines à écrire ou mécanismes d'impression ou de marquage sélectif caractérisés par le but dans lequel ils sont construits pour l'impression de haut en bas des surfaces planes, p. ex. de livres, dessins, boîtes
• B41J 19/00 - Mécanismes d'espacement des caractères ou des lignes

Abrégé

A method of controlling a printing system that is arranged to process a sequence of media sheets (56a, 56b) and is operable with a finite number of different settings, the method comprising a step of calculating a time to finish (T(b)) that will be needed for processing the sequence, characterized by the steps of scheduling a sequence of sheets (56a, 56b) for printing, defining a set of possible settings for processing the scheduled sequence; calculating a time to finish (T(b)) for each setting in the defined set; selecting the setting with the smallest time to finish; and processing the sequence with the selected setting.

Classes IPC  ?

• G06F 3/12 - Sortie numérique vers une unité d'impression

Abrégé

The present invention relates to a method for printing on a plurality of sheets (20, 22). The method comprising the steps of: arranging the plurality of sheets on a support surface (14) of an endless conveyor, the plurality of sheets including a first sheet and a second sheet being arranged at a sheet-to-sheet distance (SI) between one another; advancing the plurality of sheets on the support surface in a conveying direction (T) along a print head assembly (12a-12d) for applying droplets of ink on the sheets; providing a suction force through perforations arranged in the support surface for holding the plurality of sheets on the support surface, wherein the suction force provides an air flow through uncovered perforations present in the sheet-to-sheet distance in a print region between the print head assembly and the support surface; and forming an image by the print head assembly on each of the plurality of sheets supported on the support surface of the conveyor by applying droplets of ink. The method further comprises the step of controlling the sheet-to-sheet distance in response to a dew formation attribute for indicating dew formation on the print head assembly.

Classes IPC  ?

• B41J 11/00 - Dispositifs ou agencements pour supporter ou manipuler un matériau de copie en feuilles ou en bandes
• B41J 29/377 - Dispositions pour le refroidissement ou la ventilation
• B41J 13/00 - Dispositifs ou agencements spécialement adaptés pour supporter ou manipuler un matériau de copie en petites longueurs, p. ex. des feuilles

Abrégé

A method for printing an object using a color image printer is provided. The printer applies colorant dots having a flat shape. The object has an apparent surface with a locally varying color for representing a color image on the surface. The printer comprises a white colorant, that is applied as a background underneath a surface colorant for begetting a local color of the apparent surface. The invented method comprises the steps of: generating two-dimensional image data for composing the object in slices; determining a local surface orientation of the apparent surface of the object; and applying colorant material in accordance with the two-dimensional image data, wherein, in dependence on the local surface orientation, white colorant dots are deposited between other colorant dots to compensate a color effect of an orientation of a surface colorant dot relative to the local surface orientation.

Classes IPC  ?

• H04N 1/60 - Correction ou commande des couleurs
• B41J 2/21 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par la mise en contact sélective d'un liquide ou de particules avec un matériau d'impression à jet d'encre pour l'impression à plusieurs couleurs
• B41J 3/407 - Machines à écrire ou mécanismes d'impression ou de marquage sélectif caractérisés par le but dans lequel ils sont construits pour le marquage sur des matériaux particuliers
• B41J 11/00 - Dispositifs ou agencements pour supporter ou manipuler un matériau de copie en feuilles ou en bandes
• B41M 3/00 - Procédés d'impression pour des travaux imprimés d'un genre particulier, p. ex. motifs

Abrégé

An electronic circuit for driving an inkjet print element in an array of print elements with an electric waveform is provided. The print element comprises a piezotransducer for converting the electric waveform in a mechanical displacement. The electric waveform is tunable for an individual print element. The circuit comprises a common waveform generator that is connected to the piezo transducer through a first print data dependent switch for providing an electric waveform independent of the print element. The circuit further comprises a waveform tuning part, dependent on the print element and the print data, for controlling a second switch that adds electric energy from a voltage source to the electric waveform. The switches are operable in either a saturation state or a blocking state to limit an amount of dissipation in the switches.

Classes IPC  ?

• B41J 2/045 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par la mise en contact sélective d'un liquide ou de particules avec un matériau d'impression à jet d'encre caractérisés par le procédé de formation du jet en produisant à la demande des gouttelettes ou des particules séparées les unes des autres par pression, p. ex. à l'aide de transducteurs électromécaniques

Abrégé

A mounting structure for a plurality of print head units includes a frame; a rigid support mounted on the frame, the support having a plurality of mounting sites each of which is adapted to hold an individual print head unit; and an adjusting system for positional adjustment of the print head units relative to the frame. Each mounting site has at least one adjusting mechanism for individually adjusting, in at least one degree of freedom, a position of the print head unit that is held in that mounting site.

Classes IPC  ?

• B41J 2/155 - Leur agencement pour l'impression ligne par ligne
• B41J 29/02 - Bâtis
• B41J 25/00 - Mécanismes ou mouvements non prévus ailleurs

Abrégé

A liquid jetting device comprising a plurality of ejection units each of which is arranged to eject a droplet of a liquid and comprises a nozzle, a liquid duct connected to the nozzle and an electro-mechanical transducer arranged to create an acoustic pressure wave in the liquid in the duct, the device further comprising an electronic control system arranged to receive a pressure signal from at least one of the transducers and to generate a transducer control signal on the basis of the received pressure signal and to control the transducers of said plurality of ejection units to operate in a mode of operation selected from a variety of different modes of operation, wherein the control system is arranged to detect an acoustic property of the liquid of the basis of the received pressure signal and to select the mode of operation in accordance with the detected property, the control system being arranged to deliver transducer control signals to the transducers, which control signals are derived from a common basic waveform that is specified by mode parameters, each mode of operation of the device is specified by a different set of mode parameters, the waveform comprises a jetting pulse and quench pulse following on the jetting pulse, and one of the mode parameters is a time delay between the start of the jetting pulse and the start of the quench pulse.

Classes IPC  ?

• B41J 2/045 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par la mise en contact sélective d'un liquide ou de particules avec un matériau d'impression à jet d'encre caractérisés par le procédé de formation du jet en produisant à la demande des gouttelettes ou des particules séparées les unes des autres par pression, p. ex. à l'aide de transducteurs électromécaniques
• B41J 2/14 - Leur structure

Abrégé

A method is provided for printing a digital document on a plurality of cut sheets arranged in a cut sheet printing sequence order resulting in at least one reader spread in an end product, each cut sheet having a first side and a second side, the at least one reader spread consisting of two neighboring sides, each neighboring side of which is of a different cut sheet of the plurality of cut sheets and is intended to be printed upon by a digital page image of the digital document. The method includes the step of, for each reader spread in an end product, printing each digital page image corresponding to the reader spread on the first side of the corresponding cut sheet or printing each digital page image corresponding to the reader spread on the second side of the corresponding cut sheet. A cut sheet printing system is configured to apply the method.

Classes IPC  ?

• G06F 15/00 - Calculateurs numériques en généralÉquipement de traitement de données en général
• G06F 3/12 - Sortie numérique vers une unité d'impression
• G06K 15/02 - Dispositions pour produire une présentation visuelle permanente des données de sortie utilisant des imprimantes
• G06K 15/16 - Moyens pour l'alimentation en papier ou en formulaires
• G06K 15/00 - Dispositions pour produire une présentation visuelle permanente des données de sortie

Abrégé

A method for scheduling a reload of a supply material in a printing system including a print engine capable of printing at a settable print velocity while using the supply material, a control unit for controlling a print job queue comprising at least one print job scheduled to be printed by means of a scheduling scheme while using the supply material, a supply material input holder for holding the supply material, and a user interface for interacting with a user of the printing system. The method includes determining a plurality of moments in time that the supply material input holder is empty, and simultaneously scheduling for each determined moment in time of the plurality of moments in time a reload event of reloading the supply material input holder with the supply material in the scheduling scheme. The plurality of moments in time is determined by taking into account the total planned usage of the supply material from the supply material input holder according to print job specifications of the at least one print job scheduled in the print job queue and a capacity of the supply material input holder with respect to the properties of the supply material, and each of the determined moments in time is established on the basis of the settable print velocity of the printing system with respect to the at least one print job in the print job queue.

Classes IPC  ?

• G06F 3/12 - Sortie numérique vers une unité d'impression
• G03G 15/00 - Appareils pour procédés électrographiques utilisant un dessin de charge

Abrégé

An orifice surface is provided with a coating. A molecule for forming the coating is bonded to the orifice surface through a silicon-carbon bond. The molecule constituting the coating comprises exactly one fluoro-atom. A print head is provided with such orifice surface. In addition, a methods of manufacturing such orifice surface and a method of printing using a print head provided with such orifice surface are disclosed.

Classes IPC  ?

• B41J 2/16 - Fabrication d'ajutages
• B41J 2/14 - Leur structure
• B41J 2/165 - Prévention du colmatage des ajutages, p. ex. nettoyage, obturation par un capuchon ou humidification des ajutages

Abrégé

A method of forming a solid body using a two-dimensional image printer, wherein liquid droplets of different colors are used for applying solid material in several layers one upon the other, and colors of the liquids for forming a surface layer of the body are selected from a specific set of surface colors, the surface layer being formed by mixed printing of transparent droplets and surface color droplets, characterized in that the thickness of the surface layer is varied such that it increases with increasing slope of the surface of the body.

Classes IPC  ?

• B41J 2/015 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par la mise en contact sélective d'un liquide ou de particules avec un matériau d'impression à jet d'encre caractérisés par le procédé de formation du jet
• B41J 2/21 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par la mise en contact sélective d'un liquide ou de particules avec un matériau d'impression à jet d'encre pour l'impression à plusieurs couleurs
• B29C 67/00 - Techniques de façonnage non couvertes par les groupes , ou
• B33Y 10/00 - Procédés de fabrication additive
• B41J 2/14 - Leur structure

Abrégé

The present invention relates to an ink handling unit comprising an ink reservoir (1) with an integrated heat exchange channel (4) configured for pre-heating or pre-cooling an ink feed flow entering the ink reservoir (1) via the heat exchange channel, wherein the heat exchange channel (4) is in direct thermal contact with an interior space (5) of the ink reservoir. The invention further relates to an ink jet imaging device comprising such an ink handling unit. Such imaging devices are suitable to be used in highly productive ink jet processes at elevated temperatures.

Classes IPC  ?

• B41J 2/175 - Systèmes d'alimentation en encre
• B41J 29/377 - Dispositions pour le refroidissement ou la ventilation

Abrégé

A method compensates a failing nozzle of a print head of an inkjet printer. The inkjet printer includes at least one print head, the at least one print head including a plurality of nozzles. A receiving material is moved relatively to the at least one print head. The method includes ejecting droplets of marking material from the plurality of nozzles onto the receiving material forming dots of an image, scanning the printed dots, analyzing the scanned dots for detecting whether a nozzle is failing, determining a group of nozzles, which group of nozzles most likely contains the nozzle that is failing, selecting one nozzle of the group of nozzles, in an image part ejecting compensating droplets of marking material in accordance with a compensation scheme selected as if the one nozzle is failing, scanning the image part, repeating the steps of ejecting and scanning for each other nozzle in the group of nozzles, analyzing each image part, selecting from the image parts a deviating image part, the deviating image part having a highest or lowest print quality of all image parts, selecting a compensation scheme based on the deviating image part, and proceeding with printing, including ejecting compensating droplets in accordance with the selected compensation scheme. An inkjet printer is configured to execute the method.

Classes IPC  ?

• B41J 2/045 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par la mise en contact sélective d'un liquide ou de particules avec un matériau d'impression à jet d'encre caractérisés par le procédé de formation du jet en produisant à la demande des gouttelettes ou des particules séparées les unes des autres par pression, p. ex. à l'aide de transducteurs électromécaniques
• B41J 2/21 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par la mise en contact sélective d'un liquide ou de particules avec un matériau d'impression à jet d'encre pour l'impression à plusieurs couleurs

Abrégé

The invention relates to an ink composition, the ink composition including a pinning agent. The pinning agent provides the ink composition with thermogelling behavior. The invention further relates to a pinning agent suitable for an ink composition. The invention further relates to a method for applying an image to a receiving medium using an ink composition including a pinning agent.

Classes IPC  ?

• B41J 2/01 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par la mise en contact sélective d'un liquide ou de particules avec un matériau d'impression à jet d'encre
• C09D 11/107 - Encres d’imprimerie à base de résines artificielles contenant des composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone à partir d'acides non saturés ou de leurs dérivés
• C09D 11/03 - Encres d’imprimerie caractérisées par des particularités autres que la nature chimique du liant
• C09D 11/102 - Encres d’imprimerie à base de résines artificielles contenant des composés macromoléculaires obtenus par des réactions autres que celles faisant intervenir uniquement des liaisons non saturées carbone-carbone
• C09D 11/322 - Encres à pigments
• C08G 65/00 - Composés macromoléculaires obtenus par des réactions créant une liaison éther dans la chaîne principale de la macromolécule
• C08G 65/333 - Polymères modifiés par post-traitement chimique avec des composés organiques contenant de l'azote
• C08L 71/02 - Oxydes des polyalkylènes

Abrégé

A print head mounting structure includes a beam that extends along a scan axis y of the print head; and a carriage adapted to be driven for reciprocating movement along the beam. The carriage includes a print head carrier for carrying the print head, a cable guide carrier and a link. The print head carrier has a first runner block arranged to guide the print head carrier along the beam. The cable guide carrier is connected to a flexible cable guide that extends along the beam and has a second runner block arranged to guide the cable guide carrier along the beam independently of the print head carrier. The link connects the print head carrier and the cable guide carrier for joint movement along the beam, wherein the link is rigid and play-free in the direction of the scan axis y and is resilient in all remaining degrees of freedom.

Classes IPC  ?

• B41J 2/165 - Prévention du colmatage des ajutages, p. ex. nettoyage, obturation par un capuchon ou humidification des ajutages
• B41J 25/00 - Mécanismes ou mouvements non prévus ailleurs
• B41J 2/01 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par la mise en contact sélective d'un liquide ou de particules avec un matériau d'impression à jet d'encre
• B41J 29/02 - Bâtis

Abrégé

The invention relates to a printing system comprising a print job receiving section permitting a user to submit a print job to the printing system, the print job comprising a plurality of print job settings comprising a proof print job setting indicating whether or not the print job needs to be proofed before printing, a control unit for controlling a print job queue for print jobs submitted to the printing system and scheduled to be printed, a user interface configured to display the print job queue, wherein the user interface is configured to display a digital user operable item for a print job in the print job queue, the print job having a proof print job setting indicating that the print job needs to be proofed before printing, and wherein the control unit is configured to schedule a proof print job corresponding to the print job in the print job queue before the print job upon activation of the digital user operable item, and to print the proof print job according to the print job queue.

Classes IPC  ?

• G06F 3/12 - Sortie numérique vers une unité d'impression
• H04N 1/00 - Balayage, transmission ou reproduction de documents ou similaires, p. ex. transmission de fac-similésLeurs détails
• G06K 15/02 - Dispositions pour produire une présentation visuelle permanente des données de sortie utilisant des imprimantes

Abrégé

A printing system comprising a print station (16) disposed at a sheet transport path (18), a feed section (10) arranged to feed media sheets (60) of different media types into the transport path (18) so as to be fed sequentially to the print station (16), and a controller (20) arranged to receive print instructions concerning images to be printed, to schedule a sequence of the media sheets, and to control the feed section and the print station such that each image is printed on a sheet of a media type that has been specified for that image in the print instructions, wherein a sensor (62) is arranged at the transport path (18) for detecting a quality condition of the sheets being fed to the print station, and the controller (20) is adapted to receive a quality signal from the sensor (62) and, when the quality of a sheet is found to be insufficient, to skip that sheet and to reroute the corresponding image to another scheduled sheet that is compatible with the print instructions.

Classes IPC  ?

• B41J 13/00 - Dispositifs ou agencements spécialement adaptés pour supporter ou manipuler un matériau de copie en petites longueurs, p. ex. des feuilles
• B65H 29/62 - Aiguilleurs ou déviateurs d'articles pour dévier les articles défectueux des voies d'écoulement principales
• B65H 7/06 - Commande de l'alimentation en articles, de l'enlèvement des articles, de l'avance des piles ou d'appareils associés permettant de tenir compte d'une alimentation incorrecte, de la non présence d'articles ou de la présence d'articles défectueux par palpeurs ou détecteurs sensibles à la présence d'articles défectueux ou à l'enlèvement ou à une alimentation incorrecte

Abrégé

A printing system and method of printing an object having a surface of varying height, by a printer configured to print a number of pass images on top of each other in a number of passes, including: deriving from an object image a number of pass images to be printed on top of each other, including: establishing pass pixels of the pass images for which pass pixels a pass pixel height is defined, where a sum of the defined heights of a sequence of pass pixels that corresponds to a respective pixel of the object image equals the height of that pixel of the object image; and printing the pass images on top of each other. An amount of printed material that is printed per printed pass pixel is varied in accordance with the defined pass pixel heights. The pass pixels heights are selected, based on random data, from a respective set of at least two positive pass pixel heights.

Classes IPC  ?

• G06F 19/00 - Équipement ou méthodes de traitement de données ou de calcul numérique, spécialement adaptés à des applications spécifiques (spécialement adaptés à des fonctions spécifiques G06F 17/00;systèmes ou méthodes de traitement de données spécialement adaptés à des fins administratives, commerciales, financières, de gestion, de surveillance ou de prévision G06Q;informatique médicale G16H)
• B29C 67/00 - Techniques de façonnage non couvertes par les groupes , ou
• H04N 1/00 - Balayage, transmission ou reproduction de documents ou similaires, p. ex. transmission de fac-similésLeurs détails
• G06K 15/10 - Dispositions pour produire une présentation visuelle permanente des données de sortie utilisant des imprimantes par imprimantes en matrices de points
• G05B 19/4099 - Usinage de surface ou de courbe, fabrication d'objets en trois dimensions 3D, p. ex. fabrication assistée par ordinateur
• G06F 7/58 - Générateurs de nombres aléatoires ou pseudo-aléatoires
• H04N 1/54 - Conversion des signaux d'image en couleurs en un ensemble de signaux dont quelques-uns représentent des couleurs composées particulières, p. ex. pour l'impression de textiles
• B29C 64/112 - Procédés de fabrication additive n’utilisant que des matériaux liquides ou visqueux, p. ex. dépôt d’un cordon continu de matériau visqueux utilisant des gouttelettes individuelles, p. ex. de buses de jet
• B29C 64/386 - Acquisition ou traitement de données pour la fabrication additive
• B33Y 50/02 - Acquisition ou traitement de données pour la fabrication additive pour la commande ou la régulation de procédés de fabrication additive
• B33Y 10/00 - Procédés de fabrication additive

Abrégé

The invention relates to a method for printing on a media object supported by a flat bed of a printer, the printer comprising a print head and a camera above the flat bed, the method comprising the steps of detecting a media object on the flat bed surface of the printer by means of a digital camera image captured by the camera, deriving camera coordinates of the media object in the digital camera image, applying a direct transformation from the camera coordinates into print head coordinates of the media object without using coordinates of the flat bed surface, and printing a digital target image on the media object by ejecting recording material on the media object from the print head, the print head controlled according to the print head coordinates appropriate for the media object.

Classes IPC  ?

• B41J 3/28 - Machines à écrire ou mécanismes d'impression ou de marquage sélectif caractérisés par le but dans lequel ils sont construits pour l'impression de haut en bas des surfaces planes, p. ex. de livres, dessins, boîtes
• B41J 29/393 - Dispositifs de commande ou d'analyse de l'ensemble de la machine
• B41J 3/44 - Machines à écrire ou mécanismes d'impression sélective ayant deux fonctions ou combinés ou associés à des appareils remplissant d'autres fonctions
• B41J 11/00 - Dispositifs ou agencements pour supporter ou manipuler un matériau de copie en feuilles ou en bandes

Abrégé

The invention relates to a method for printing a digital image on a media object lying on a flatbed surface of a printer, the printer comprising a print head for ejecting recording material on the media object, a camera system connected to the control unit and positioned above the flatbed surface, and a control unit for storing a digital image and controlling the printing of the digital image on the media object, the media object having a contour as seen from a point of view of the camera system towards the flatbed surface, a first point having a position on the contour at a particular height with respect to the flatbed surface, and a second point being one of a point of normal projection of the first point on the flatbed surface and a point having another position on the contour than the first point, the second point being at the same height as the particular height of the first point, and the control unit storing a distance between the first point and the second point, the method comprising the steps of capturing a camera image of the flatbed surface by means of the camera system,determining a first image position in the camera image corresponding to the first point,determining a second image position in the camera image corresponding to the second point, deriving an actual position of the first point by means of the position of the camera system, the first image position, the second image position and the stored distance, and printing the digital image on the media object by ejecting recording material on the media object while taking into account the derived actual position of the first point on the flatbed surface.

Classes IPC  ?

• H04N 1/00 - Balayage, transmission ou reproduction de documents ou similaires, p. ex. transmission de fac-similésLeurs détails
• B41J 11/00 - Dispositifs ou agencements pour supporter ou manipuler un matériau de copie en feuilles ou en bandes

Abrégé

A printer that is adapted for printing on a mixed sequence of media sheets (16) with a print head (12) that is adjustable in height (h) relative to a print surface (14) that supports the media during printing, the printer having a user interface (34) and a controller (32), characterised in that the controller (32) stores a set of different height adjustment strategies for handling media that differ in specifications that define an admissible range for the height (h) of the print head, and the user interface (34) is adapted to permit the user to select among the stored height adjustment strategies (48).

Classes IPC  ?

• B41J 25/308 - Mécanismes mobiles pour têtes d'impression ou chariots mobiles vers ou à partir de la surface du papier avec des mécanismes de réglage de la distance entre l'élément d'impression et le matériau d'impression
• B41J 11/00 - Dispositifs ou agencements pour supporter ou manipuler un matériau de copie en feuilles ou en bandes
• B41J 29/46 - Utilisation de systèmes avertisseurs, p. ex. mis en action par l'approche de la fin de la ligne

Abrégé

A method of printing on a mixed sequence of media sheets uses a printer with a print head that is adjustable in height relative to a print surface that supports the media sheets. The media sheets differ in their specifications that define an admissible range for the height of the print head. The method includes the steps of retrieving admissible height ranges for a plurality of media sheets that are scheduled for printing, searching for a height value that is contained in the admissible range of all scheduled sheets, if such a height value is found, adjusting the print head to that height value, and if such height value is not found, proceeding to a problem handling routine.

Classes IPC  ?

• B41J 25/308 - Mécanismes mobiles pour têtes d'impression ou chariots mobiles vers ou à partir de la surface du papier avec des mécanismes de réglage de la distance entre l'élément d'impression et le matériau d'impression

Abrégé

A method of configuring a smart mobile device (20) for remote control of a target process (51), the device comprising a tag reader (21), an interface (22, 23) to a communications network (30, 31), and an operating system (24) capable of dispatching a URI to be handled by a URI handler selected from among a plurality of URI handlers that are installed on the mobile device, the method being characterized by the steps of: -reading, with the tag reader (21), a data tag (10) that is associated with the target process (51) and includes the specific URI (11) to be dispatched by the operating system; -installing, on the mobile device, a local configuration service (27) which is a URI handler capable of: -parsing a specific URI (11) that is related to the target process (51), -connecting, via the communications network (30, 31) and on the basis of parameters inferred from the parsed URI (11), to an external configuration service (41, 2) for downloading a mobile client application (28) for controlling the target process (51), said mobile client application being another URI handler, and -returning said specific URI (11) to the operating system, thereby causing the same to call up the mobile client application (28). 20 (Fig. 1)

Classes IPC  ?

• H04L 29/08 - Procédure de commande de la transmission, p.ex. procédure de commande du niveau de la liaison
• H04L 29/06 - Commande de la communication; Traitement de la communication caractérisés par un protocole

Abrégé

A method for visualizing relationships between a source and target view includes displaying in the source view a source widget representing a source object; detecting a user interaction event for the source widget; sharing a message including a reference to or at least part of the source object; displaying in the target view a target widget representing a target object; reading by a target device that displays the target view the shared message; determining the existence of a relationship between the source and target object by looking-up in a storage the referenced or the at least part of the source object from the shared message; and updating the target view by changing the visual appearance if a relationship has been determined. The source and target object each are one of a printable object, a reprographic device or component thereof, and a property or status of any of the these.

Classes IPC  ?

• G06F 3/12 - Sortie numérique vers une unité d'impression

Abrégé

A jetting device comprising an ejection unit arranged to eject a droplet of a liquid and comprising a nozzle (22), a liquid duct (16) connected to the nozzle (22), and an electro- mechanical transducer (26) arranged to create an acoustic pressure wave in the liquid in the duct, the device further comprising a filter (32) arranged to filter the liquid being supplied into the duct (16), and a filter status detection system (48, 50, 52) arranged to detect an obstruction status of the filter (32) by measuring a property of the liquid in the duct (16), characterized in that the filter status detection system (48, 50, 52) comprises a circuit configured for measuring the electric response of the transducer (26), for recording changes in the electric response that represent pressure fluctuations induced by the acoustic wave in the form of a time-dependent function, and for judging the obstruction status of the filter on the basis of that function.

Classes IPC  ?

• B41J 2/14 - Leur structure

Abrégé

A sheet conveyor is provided for transporting a sheet (20). The sheet conveyor comprises a supplying conveyor (10), a receiving conveyor (40) and a sheet guidance unit (100). The receiving conveyor comprises a support surface (42) arranged for supporting the sheet on a contact side (21) of the sheet and an attraction unit (46) arranged for attracting the sheet to the support surface. The supplying conveyor comprises a transport belt (14) being arranged for advancing the sheet in a transport direction along a transport path towards the support surface of the receiving conveyor; the sheet having two side edge portions (26) relative to the transport path. The sheet guidance unit is arranged at a downstream end of the transport path for guiding the sheet towards the receiving conveyor, wherein said sheet guidance unit comprises a lifting element (130a, 130b) arranged for lifting both side edge portions of the sheet away from the support surface while a middle portion of the sheet in between both side edge portions is guided towards the support surface.

Classes IPC  ?

• B65H 5/36 - Guides ou lissoirs pour articles, p. ex. mobiles pendant le travail
• B65H 5/22 - Transfert des articles retirés des pilesAlimentation des machines en articles par jet d'air ou dispositifs aspirant
• B65H 29/24 - Délivrance ou progression des articles à la sortie des machinesProgression des articles vers ou dans les piles par appareil à jet d'air ou aspirant
• B65H 29/52 - Guides ou lissoirs fixes

Abrégé

An inkjet printing apparatus includes an inkjet print head arranged to be moveable in a direction of movement along a guiding assembly. The guiding assembly includes a support structure; a strip mounted on the support structure, the strip being rigidly straight in a first direction substantially perpendicular to the direction of movement and mounted in such way that a straightness in the direction of movement is provided; and an air bearing system operatively coupled to the strip. The strip extends in a vertical plane, the vertical plane being substantially parallel to the direction of movement and being substantially parallel to the first direction. The air bearing system is configured to control a position of the inkjet print head in a horizontal plane relative to the strip during movement of the print head in the direction of movement, the horizontal plane being substantially perpendicular to the vertical plane. Employing such a strip and a suitable mounting method for mounting the strip on the support structure, it is enabled to select a cost-effective and/or light-weight support structure.

Classes IPC  ?

• B41J 19/14 - Mécanismes d'espacement des caractères ou des lignes avec des moyens pour réaliser l'espacement des lignes ou caractères dans l'une et l'autre direction
• B41J 25/00 - Mécanismes ou mouvements non prévus ailleurs
• B41J 19/00 - Mécanismes d'espacement des caractères ou des lignes
• B41J 19/20 - Mécanismes d'avance des caractères
• B41J 2/01 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par la mise en contact sélective d'un liquide ou de particules avec un matériau d'impression à jet d'encre

Abrégé

The invention comprises a method for forming a 3D object, wherein the method comprises the step of depositing a support structure. According to the invention, the support structure comprises an organic di-acid having a molecular weight of 300 g/mole or less. The invention further relates to an assembly of a 3D printed object and a support structure.

Classes IPC  ?

• B29C 64/112 - Procédés de fabrication additive n’utilisant que des matériaux liquides ou visqueux, p. ex. dépôt d’un cordon continu de matériau visqueux utilisant des gouttelettes individuelles, p. ex. de buses de jet
• B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
• B33Y 10/00 - Procédés de fabrication additive
• B29C 67/00 - Techniques de façonnage non couvertes par les groupes , ou

Abrégé

An inkjet printing apparatus includes an inkjet print head arranged to be moveable in a direction of movement along a guiding assembly. The guiding assembly includes a support structure; a strip mounted on the support structure, the strip being substantially rigid and straight in a first direction substantially perpendicular to the direction of movement and mounted in such way that a straightness in the direction of movement is provided; and an air bearing system operatively coupled to the strip. The strip extends in a vertical plane, the vertical plane being substantially parallel to the direction of movement and being substantially parallel to the first direction. The air bearing system is configured to control a position of the inkjet print head in a horizontal plane relative to the strip during movement of the print head in the direction of movement, the horizontal plane being substantially perpendicular to the vertical plane. Employing such a strip and a suitable mounting method for mounting the strip on the support structure, it is enabled to select a cost-effective and/or light-weight support structure.

Classes IPC  ?

• B41J 25/00 - Mécanismes ou mouvements non prévus ailleurs
• B41J 19/00 - Mécanismes d'espacement des caractères ou des lignes
• B41J 19/14 - Mécanismes d'espacement des caractères ou des lignes avec des moyens pour réaliser l'espacement des lignes ou caractères dans l'une et l'autre direction
• B41J 19/20 - Mécanismes d'avance des caractères
• B41J 2/01 - Machines à écrire ou mécanismes d'impression sélective caractérisés par le procédé d'impression ou de marquage pour lequel ils sont conçus caractérisés par la mise en contact sélective d'un liquide ou de particules avec un matériau d'impression à jet d'encre

Abrégé

A print job processing system comprising at least one printer, a user interface, a job file receiving section for receiving a print job having print job properties, a conflict checking section for checking for a conflict in the print job, and an auto resolve section for automatically resolving the conflict according to an auto resolve strategy, wherein the print job processing system comprises a system setting section adapted to set according to user input by means of the user interface per print job property a user interaction strategy out of a plurality of user interaction strategies, each user interaction strategy of the plurality of user interaction strategies comprising a different user interaction and each user interaction strategy being configured to be executed if the corresponding print job property has been changed due to the auto resolve strategy for the conflict.

Classes IPC  ?

• G06F 3/12 - Sortie numérique vers une unité d'impression

Abrégé

A scrolling system for scrolling a printed roll of media includes a mechanical scrolling apparatus and a user interface device. The mechanical scrolling apparatus includes a first winder for placing the printed roll and from which first winder the printed roll is unwindable, and a second winder for winding up the printed roll unwound from the first winder. At least one winder of the first and second winder is drivable by a motor. An unwound area is a piece of the printed roll that is unwound from the first winder and not yet wound up on the second winder. The user interface device is configured to receive a selection of a part of a digital representation of images printed on the roll. Upon receiving a selection of the part of the digital representation of the images printed on the roll by means of the user interface device, the motor is activated in order to scroll the printed roll by means of the two winders until a piece of the printed roll arrives in the unwound area, which piece of the printed roll corresponds to the selected part of the digital representation. A method to be applied by the scrolling system is also disclosed.

Classes IPC  ?

• G09F 11/00 - Dispositifs d'affichage d'information variable, dans lesquels l'information complète est fixée d'une manière permanente sur un support mobile qui l'amène en position de présentation
• H04N 5/225 - Caméras de télévision
• G09F 11/29 - Dispositifs d'affichage d'information variable, dans lesquels l'information complète est fixée d'une manière permanente sur un support mobile qui l'amène en position de présentation les éléments de publicité ou de présentation faisant partie d'une bande mobile, p. ex. sous forme de perforations, d'impressions ou de transparents la bande n'étant pas sans fin
• G09F 11/295 - Leur commande électrique
• G09F 11/32 - Dispositifs d'affichage d'information variable, dans lesquels l'information complète est fixée d'une manière permanente sur un support mobile qui l'amène en position de présentation les éléments de présentation étant amenés un par un en position de présentation à partir d'un emplacement où ils sont stockés les moyens de mise en place comprenant des courroies ou des chaînes, p. ex. des courroies ou des chaînes sans fin
• H04N 1/00 - Balayage, transmission ou reproduction de documents ou similaires, p. ex. transmission de fac-similésLeurs détails

Abrégé

A method is provided for printing colour images using a colour workflow. This workflow results in equal output colours from two print systems. For a first print system an existing colour output profile for converting colours is used. An actual output colour profile for the first print system is obtained from colour measurement data that relate device colorant coordinates of the first print system to device independent colour data. The existing output colour profile does not correspond to the colour measurement data. For a second print system, an additional output colour profile is obtained from colour measurement data. The colour workflow that is applied in the second print system for converting colours of an input image is made by combining the existing output colour profile, the actual output colour profile and the additional colour output profile, wherein the actual output colour profile is applied in an inverse direction (A2B).

Classes IPC  ?

• H04N 1/60 - Correction ou commande des couleurs

Abrégé

The invention relates to a method for printing a plurality of voxels of an object in a plurality of passes of a print head of a printing system over a substrate, each pass having a movement direction of the print head relative to the substrate while ejecting marking material from the print head towards the substrate, each voxel having a position in the object, the method comprising the steps of for each voxel of the object selecting a movement direction of the print head based on the position of the voxel in the object, selecting at least one pass in which the voxel will be printed, the at least one pass having a movement direction which corresponds to the selected movement direction of the print head, and printing the voxel in the selected at least one pass. The invention also relates to a printing system configured to execute the method.

Classes IPC  ?

• B29C 67/00 - Techniques de façonnage non couvertes par les groupes , ou
• G05B 19/4099 - Usinage de surface ou de courbe, fabrication d'objets en trois dimensions 3D, p. ex. fabrication assistée par ordinateur