An image forming system including a server and an image forming apparatus. The image forming apparatus includes a first communication device, a first storage device, and a first control device as a first controller. The first control device generates log data related to an operation of the image forming apparatus, causes the first storage device to store the log data, generate log data segments by dividing log data for a certain period into a predetermined data amount or less when a log data generation period has reached the certain period, and causes the first communication device to transmit the log data segments to the server. The server includes a second communication device, a second storage device, and a second control device as a second controller. When the second communication device receives the log data segments, the second controller causes the second storage device to store the log data segments.
A control portion causes an image forming portion to execute a test output process in which a plurality of test toner images each having a different developing voltage condition are formed in sequence on a surface of each of a plurality of image-carrying members and then transferred to an intermediate transfer body. The control portion sequentially selects, from the plurality of image-carrying members, target image-carrying members that are arranged at a distance greater than an arrangement spacing of the plurality of image-carrying members, and causes the image forming portion to execute the test output process so that each time one of the plurality of target image-carrying members is selected, the plurality of test toner images for each of the plurality of target image-carrying members are transferred within an area on the surface of the intermediate transfer body whose length corresponds to pacing between the plurality of target image-carrying members.
An aperture unit includes a plurality of apertures which respectively cause a plurality of beam light sets that have passed through a plurality of lenses to pass therethrough. A laser scanner reflects and scans the plurality of beam light sets that have passed through the plurality of apertures. A support mechanism supports the aperture unit and is capable of changing a position of the aperture unit in a light traveling direction that is directed from the plurality of lenses toward the laser scanner and an angle of the aperture unit with respect to the light traveling direction.
G03G 15/043 - Appareils pour procédés électrographiques utilisant un dessin de charge pour exposer, c.-à-d. pour projeter optiquement l'image originale sur un matériau d'enregistrement photoconducteur avec des moyens de commande de l'éclairage ou de l'exposition
B41J 2/455 - 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'irradiation sélective d'un matériau d'impression ou de transfert d'impression utilisant des ensembles de sources de rayonnement utilisant des ensembles de lasers
B41J 2/47 - 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'irradiation sélective d'un matériau d'impression ou de transfert d'impression utilisant la combinaison du balayage et de la modulation de lumière
G03G 15/01 - Appareils pour procédés électrographiques utilisant un dessin de charge pour reproduire des copies multicolores
G03G 15/04 - Appareils pour procédés électrographiques utilisant un dessin de charge pour exposer, c.-à-d. pour projeter optiquement l'image originale sur un matériau d'enregistrement photoconducteur
G06K 15/14 - Dispositions pour produire une présentation visuelle permanente des données de sortie utilisant des imprimantes par impression électrographique, p. ex. xérographieDispositions pour produire une présentation visuelle permanente des données de sortie utilisant des imprimantes par impression magnétographique
An inkjet recording unit ejects ink to a sheet using plural nozzles. A line sensor scans a test pattern image printed on the sheet using the plural nozzles. The test pattern image includes a synchronization mark formed by a predetermined reference position nozzle. The line sensor includes plural sensor units that partially scan the test pattern image respectively and generate plural partial test pattern scanned images. Scanning areas of the sensor units have an overlapping section. The synchronization mark is formed so as to pass through the overlapping section. An ejection malfunction determination unit determines positions corresponding to a part of the plural nozzles in the partial test pattern scanned image on the basis of a position of the synchronization mark, and determines whether a nozzle corresponding to the determined position is an ejection malfunction nozzle or not on the basis of a density at the determined position.
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 11/00 - Dispositifs ou agencements pour supporter ou manipuler un matériau de copie en feuilles ou en bandes
An image forming apparatus acquires shape data indicating a shape of a specific sheet conveyed along a conveying path, masks, using the acquired shape data, a stick-out area that sticks out from a sheet area included in the shape data out of specific image data whose size in a first direction corresponding to a conveying direction of a sheet is larger than that of the sheet area, and forms, on the specific sheet, an image that shows a boundary between a mask area and a non-mask area opposing each other along the first direction out of the specific image data in which the stick-out area has been masked.
A sheet alignment device includes a roller that moves a sheet on a sheet transport route so that a side edge of the sheet abuts against an alignment member, a first one-way clutch that transmits a first rotative driving force for making a roller support device pivot upward with respect to the shaft of the roller support device, when a motor rotates in a first direction, a first torque limiter that disconnects the transmission of the first rotative driving force, when a rotation control device limits the rotation of the shaft, a second one-way clutch that rotates with a second rotative driving force, and making the roller support device pivot downward, when the motor is stopped, and a second torque limiter that stops the rotation of the shaft, by being subjected to a rotational torque of the second one-way clutch.
A document conveying device includes a sheet feeding tray, a sheet feeding mechanism, a discharge tray, a sheet feeding tray lifting mechanism, a top plate, a fixed wall part, and a lifting wall part. The discharge tray is provided below the sheet feeding tray. The top plate is adjacent to the sheet feeding tray on a downstream side in the sheet feeding direction. The fixed wall part is provided extending downward from an upstream side end portion of the top plate in the sheet feeding direction, and is fixed. The lifting wall part is provided extending upward from a downstream side end portion of the sheet feeding tray in the sheet feeding direction, and lifted and lowered together with the sheet feeding tray. The discharge tray includes a lowering restriction part which comes into contact with the lifting wall part to restrict a lowering of the lifting wall part.
B65H 1/08 - Supports ou magasins pour les piles dans lesquelles on prélève des articles avec moyens pour faire avancer la pile en vue de présenter les articles à un dispositif d'enlèvement
B65H 1/04 - Supports ou magasins pour les piles dans lesquelles on prélève des articles adaptés pour supporter les articles en position sensiblement horizontale, p. ex. pour les enlever en partant du haut de la pile
A control device selects one of a plurality of chromatic colors as a target chromatic color according to a consumption status of developing agents of the plurality of chromatic colors. The control device causes an image forming portion to execute a process of forming, on a surface of a transfer medium, a plurality of chromatic color test images of the plurality of chromatic colors, and a superimposed test image in which a black test image is superimposed on a background image of the target chromatic color. The control device acquires a test detection signal of an amount of diffuse reflection light in each of areas of the plurality of chromatic color test images and the superimposed test image on the surface of the transfer medium. The control device adjusts timing of image formation of the plurality of colors by the image forming portion based on the test detection signal.
An image forming apparatus includes: a storage device that stores a folder where data is contained; an input acceptance device that accepts an input of an instruction from a user; an image reading device that reads an image of an original document and acquires image data representing the image; an image forming device that prints an image on a sheet based on print data; a shortcut creator that creates, according to the input of the instruction accepted by the input acceptance device, a shortcut for the folder where the acquired image data is to be contained and a shortcut for the folder where the printed print data is to be contained; and a controller that allows the acquired image data and the printed print data to be contained in the folder represented by the shortcut in accordance with an instruction to specify the shortcut accepted by the input acceptance device.
H04N 1/00 - Balayage, transmission ou reproduction de documents ou similaires, p. ex. transmission de fac-similésLeurs détails
10.
IMAGE FORMING APPARATUS CAPABLE OF SENSING AMOUNT OF MISALIGNMENT BETWEEN POSITION OF IMAGE FORMING PORTION AND POSITION OF IMAGING PORTION, AND SENSING METHOD
An image forming apparatus acquires shape data indicating a shape of a sensing sheet conveyed along a conveyance route, adjusts a position of a first image in first image data including the first image on the basis of a positional relationship between a sheet region in the acquired shape data and a first reference position in the shape data, forms an image based on the adjusted first image data on the sensing sheet, and senses an amount of positional misalignment of an imaging portion to be used to acquire the shape data by using the sensing sheet on which the image has been formed.
A sheet conveying device includes a first conveying portion, a correcting portion, a second conveying portion, and an angle changing portion. The first conveying portion conveys a sheet. The correcting portion is provided on an upstream side of the first conveying portion in a conveyance direction of the sheet by the first conveying portion. The correcting portion has an opposed surface that is opposed to a side end of the sheet in a first direction orthogonal to the conveyance direction. The second conveying portion is provided on an upstream side of the correcting portion in the conveyance direction. The second conveying portion conveys the sheet in a second direction toward the opposed surface. The angle changing portion changes an inclination angle of the opposed surface with respect to the conveyance direction.
A fixing device includes a fixing belt, a heater, a heat equalizing member, a holding member, and a pressure roller. The heater has a belt contact surface coming into contact with an inner circumferential surface of the fixing belt. The heat equalizing member has a front contact surface coming into contact with a surface opposite to the belt contact surface of the heater and a rear contact surface. The holding member has a storage recess in which the heater and the heat equalizing member are stored. The presser member is pressed against the heater via the fixing belt to form a pressurized region. The storage recess has a heat equalizing member storage part, and a void part having a cross-sectional area narrower than that of the heat equalizing member storage part. The rear contact surface of the heat equalizing member comes into contact with a step surface formed between the heat equalizing member storage part and the void part.
A print setting controller decides whether a combination of a sheet size and a sheet type specified for print setting is included in a combination table. When the combination of the sheet size and the sheet type specified for the print setting is included in the combination table, a controller executes a print job according to the print setting. When the combination of the sheet size and the sheet type specified for the print setting is not included in the combination table, the print setting controller selects a sheet type appropriate for the sheet size specified as the print setting, from the combination table, and changes the sheet type thus far designated to the selected sheet type. A display controller causes a display device to display a message to the effect that the sheet type has been changed.
An information processing apparatus includes a communication device, an access-right information storage device, and a controller. The communication device performs data communication with an external device, via a network. The access-right information storage device contains access-right information with respect to a storage on the network, in association with user identification information for identifying a user. The controller makes access to the storage according to a processing request from the user, in a case where the access-right information, associated with the user identification information of the user requesting the processing, is stored in the access-right information storage device, when the communication device receives, from an external image processing apparatus, the processing request to the storage from the user, and causes the storage and the image processing apparatus to upload and download data between each other, via the communication device.
G06F 3/06 - Entrée numérique à partir de, ou sortie numérique vers des supports d'enregistrement
15.
INFORMATION PROCESSING DEVICE AND IMAGE FORMING APPARATUS FOR ADJUSTING ORIENTATION OF PREVIEW IMAGE AND CAUSING DISPLAY DEVICE TO DISPLAY PREVIEW IMAGE
An information processing device includes a display device and a control device. The control device includes a processor and functions, by the processor executing a control program, as: a controller that causes the display device to display a preview image of an output target image indicated by image data; and a character orientation detector that detects an orientation of characters in the output target image. The controller performs an orientation adjustment display for setting the orientation of the preview image to an orientation in which the orientation of characters detected by the character orientation detector becomes a portrait orientation in which the characters are upright, and displaying the preview image on the display device.
Reference portions are arranged in a reference area outside a main area in a main scanning direction, each having a lower surface of one of a plurality of determination colors. A reference data offset value is set based on reference pixel data of the reference area obtained when a light emitting unit of a scanning unit is not caused to emit light. A color determination process is executed to correct the reference pixel data in line image data obtained when the light emitting portion is caused to emit light with the reference data offset value, and to determine which determination color the corrected reference pixel data is data of. A unit drive device executes driving operations that are sequentially selected from a plurality of trial driving operations according to the determination result of the color determination process, and positions the scanning unit at a home position.
H04N 1/00 - Balayage, transmission ou reproduction de documents ou similaires, p. ex. transmission de fac-similésLeurs détails
H04N 1/028 - Détails des têtes de balayage pour la lecture d'images
H04N 1/031 - Détails des têtes de balayage pour la lecture d'images avec des photodétecteurs disposés dans un ensemble sensiblement linéaire les photodétecteurs ayant une correspondance biunivoque et optiquement positive avec les éléments d'image balayés, p. ex. capteurs linéaires de contact
H04N 1/047 - Détection, commande ou compensation d'erreurs de la vitesse ou de la position de balayage
H04N 1/62 - Retouches, c.-à-d. modification de couleurs isolées uniquement ou dans des zones d'image isolées uniquement
17.
INKJET CONTROL METHOD AND INKJET RECORDING APPARATUS
A processor sets, for each target sheet that becomes a target to be conveyed by a preceding conveying device, a specific number of 1 or more in accordance with an ink ejection performance of a nozzle unit obtained at a time a previous sheet that is one sheet before the target sheet is conveyed by a belt conveying device. The processor causes the nozzle unit to execute opening flushing processing for ejecting ink toward the specific number of subsequent opening portions that pass through a print position subsequent to the previous sheet out of a plurality of opening portions of a conveying belt. The processor causes the preceding conveying device to execute processing of conveying the target sheet to the belt conveying device at a timing subsequent to the specific number of the subsequent opening portions.
B41J 2/17 - 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 la manipulation de l'encre
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 2/165 - Prévention du colmatage des ajutages, p. ex. nettoyage, obturation par un capuchon ou humidification des ajutages
B41J 11/00 - Dispositifs ou agencements pour supporter ou manipuler un matériau de copie en feuilles ou en bandes
B41J 13/08 - Bandes ou systèmes d'entraînement similaires
18.
IMAGE FORMING SYSTEM CAPABLE OF SUPPRESSING VARIATION OF INK DISCHARGE AMOUNTS IN PLURALITY OF DISCHARGE ELEMENTS, AND ADJUSTMENT METHOD
An image forming system includes a plurality of nozzles, discharge elements, an image forming processing portion, a reading processing portion, and an adjustment processing portion. The plurality of nozzles are arranged along a width direction orthogonal to a conveying direction of a sheet. The discharge elements are respectively provided in correspondence with the nozzles and cause ink to be discharged from the nozzles in accordance with an application of a driving voltage. The image forming processing portion forms an adjustment image that is based on adjustment image data on the conveyed sheet. The reading processing portion reads the adjustment image formed on the sheet. The adjustment processing portion adjusts the driving voltage for each of the discharge elements or in a unit of the plurality of discharge elements based on the read adjustment image.
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 29/393 - Dispositifs de commande ou d'analyse de l'ensemble de la machine
A drive transmission device is arranged to face a drive transmitted portion across a metal plate. The drive transmission device includes a gear part, a coupling part, a biasing member and a retracting part. The gear part rotates around an axis. The coupling part penetrating a through-hole of the metal plate is connected to the drive transmitted portion, and rotates around the same axis of the gear part. The biasing member biases the gear part and the coupling part to a direction close to the drive transmitted portion. The retracting part through which the coupling part penetrates rotates around the same axis as the coupling part in a reciprocating manner. The metal plate has two inclined parts which are arranged across the through-hole, and protrude in a direction away from the drive transmitted portion. The inclined part is formed by deforming a part of the metal plate.
An image forming system includes an image forming apparatus, a login processing portion, a reception processing portion, and an association processing portion. The image forming apparatus executes a print job held in a print server and associated with a first user of the print server. The login processing portion causes a second user of the image forming apparatus to log in the image forming apparatus. The reception processing portion receives an input operation of inputting account information of the first user while the second user is logged in. The association processing portion associates the first user corresponding to the input account information with the second user logged in the image forming apparatus.
A sheet conveying device includes an image pickup portion, a count processing portion, and a determination processing portion. The image pickup portion includes a plurality of image pickup devices that are arranged so as to be aligned in a width direction orthogonal to a conveying direction of the sheet at a pass-through position through which a conveyed sheet passes, and outputs image pickup data indicating an image pickup result obtained by the plurality of image pickup devices at a predetermined image pickup cycle. The count processing portion counts, every time the image pickup data is output, the number of sheet pixels indicating the sheet, that are included in the image pickup data. The determination processing portion determines whether or not the sheet has an anomalous shape based on a transition of a count value obtained by the count processing portion.
An image forming apparatus includes an image forming portion, a heating portion, a conveyance processing portion, a reading processing portion, and an adjustment processing portion. The image forming portion forms an ink image on a sheet. The heating portion heats the sheet on which the ink image has been formed. The conveyance processing portion executes conveyance processing for conveying an adjustment sheet without forming the ink image in a state where drive of the heating portion is stopped. The reading processing portion reads an image on the adjustment sheet conveyed by the conveyance processing. The adjustment processing portion adjusts an image reading portion based on a result of the reading by the reading processing portion.
H04N 1/00 - Balayage, transmission ou reproduction de documents ou similaires, p. ex. transmission de fac-similésLeurs détails
B41J 2/165 - Prévention du colmatage des ajutages, p. ex. nettoyage, obturation par un capuchon ou humidification des ajutages
B41J 11/00 - Dispositifs ou agencements pour supporter ou manipuler un matériau de copie en feuilles ou en bandes
23.
COMMUNICATION MEDIATION DEVICE FOR MEDIATING COMMUNICATION WITH CLOUD SERVICE FOR STORING DATA, COMPUTER-READABLE NON-TRANSITORY RECORDING MEDIUM STORING COMMUNICATION MEDIATION PROGRAM, AND IMAGE PROCESSING SYSTEM
The communication mediation device includes an image processing device including a processor and configured to execute image processing when the processor executes a communication mediation program and a controller configured to operate as a communication mediator for mediating communication with a cloud service for storing data.
A cover closes a first opening of a main box portion. A second opening is formed in a unit housing of an optical scanning unit to externally expose a connector mounted on an electronic board. The unit housing has a protruding inner frame portion and a wiring portion. The protruding inner frame portion protrudes from an outer surface of the unit housing and surrounds the second opening. The cover includes a protruding outer frame portion that protrudes from an inner surface of the cover and surrounds the protruding inner frame portion. A top portion of the protruding inner frame portion is formed along an inner-side portion of the protruding outer frame portion on an inner surface of the cover. A top portion of the protruding outer frame portion is formed along an outer-side portion of the protruding inner frame portion on the outer surface of the unit housing.
G03G 15/00 - Appareils pour procédés électrographiques utilisant un dessin de charge
B41J 2/47 - 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'irradiation sélective d'un matériau d'impression ou de transfert d'impression utilisant la combinaison du balayage et de la modulation de lumière
G03G 15/043 - Appareils pour procédés électrographiques utilisant un dessin de charge pour exposer, c.-à-d. pour projeter optiquement l'image originale sur un matériau d'enregistrement photoconducteur avec des moyens de commande de l'éclairage ou de l'exposition
G03G 21/16 - Moyens mécaniques facilitant la maintenance de l'appareil, p. ex. structures modulaires
25.
INKJET CONTROL METHOD AND INKJET RECORDING APPARATUS
A processor acquires sheet length information representing a length in a conveying direction of a target sheet to be conveyed by a belt conveyor device. The processor selects one or both of a first flushing process and a second flushing process as a target flushing process in accordance with the sheet length information, and causes a nozzle unit to execute the target flushing process. The first flushing process is a process of ejecting ink toward each of a plurality of opening portions in an area of a conveying belt where no sheet exists. The second flushing process is a process of ejecting ink onto a non-drawing area of the target sheet in parallel with a printing process on the target sheet.
B41J 2/165 - Prévention du colmatage des ajutages, p. ex. nettoyage, obturation par un capuchon ou humidification des ajutages
B41J 13/08 - Bandes ou systèmes d'entraînement similaires
B41J 29/00 - Parties constitutives ou accessoires pour machines à écrire ou mécanismes d'impression sélective non prévus ailleurs
26.
PRINT SPEED SETTING SYSTEM CAPABLE OF CHANGING PRINT SPEED OF IMAGE FORMING APPARATUS INCAPABLE OF COMMUNICATING VIA NETWORK, IMAGE FORMING APPARATUS, AND PRINT SPEED SETTING METHOD
A print speed setting system includes an information processing system and an image forming apparatus capable of varying a print speed. The information processing system generates key data based on unique information unique to the image forming apparatus and a designated print speed of the image forming apparatus, and outputs the generated key data. The image forming apparatus acquires the key data input by a user operation, specifies the designated print speed based on the acquired key data and the unique information of the image forming apparatus, and sets a print speed of the image forming apparatus to the specified designated print speed.
G06F 3/12 - Sortie numérique vers une unité d'impression
27.
PRINT SPEED SETTING SYSTEM CAPABLE OF CHANGING PRINT SPEED OF IMAGE FORMING APPARATUS INCAPABLE OF COMMUNICATING VIA NETWORK, IMAGE FORMING APPARATUS, AND PRINT SPEED SETTING METHOD
A print speed setting system includes an information processing system and an image forming apparatus capable of varying a print speed. The information processing system generates key data based on unique information unique to the image forming apparatus and a designated print speed of the image forming apparatus, and outputs the generated key data to a mobile terminal capable of wirelessly communicating with the image forming apparatus without passing through other communication devices. The image forming apparatus acquires the key data from the mobile terminal, specifies the designated print speed based on the acquired key data and the unique information of the image forming apparatus, and sets a print speed of the image forming apparatus to the specified designated print speed.
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
G03G 15/00 - Appareils pour procédés électrographiques utilisant un dessin de charge
28.
PLATFORM THAT ALLOWS LOG-IN USER TO UTILIZE AT LEAST ONE OF PLURALITY OF WEB APPLICATIONS, AND COMPUTER-READABLE, NON-TRANSITORY RECORDING MEDIUM HAVING PLATFORM OPERATING PROGRAM RECORDED THEREON
A platform serves as a basis for executing a plurality of web applications, and includes a storage device and a control device. The storage device contains user identification information, and available application information indicating the web application available to a user, in association with each other. The control device includes a processor, and acts as an application provision device, when the processor executes a control program. The application provision device allows a log-in user, who has logged in to the platform, to utilize at least one of the plurality of web applications, on a basis of the user identification information and the available application information.
An image forming apparatus includes a cover and a toner container. The cover opens and closes a side surface of an apparatus main body. The toner container is detachably attached to an inside of the apparatus main body. The cover is turned between a close position and an open position where an angle between the side surface of the apparatus main body and the cover is acute. The toner container includes a replenishment vessel and a recovery vessel, and the replenishment vessel and the recovery vessel are arranged in an upper-and-lower direction. The toner container is turned between an attachment position and a detachment position inclined so as to be along the cover. The toner container arranged in the detachment position is detached along the cover arranged at the close position.
G03G 15/08 - Appareils pour procédés électrographiques utilisant un dessin de charge pour développer en utilisant un développateur solide, p. ex. développateur en poudre
G03G 21/10 - Collecte ou recyclage de développateur récupéré
G03G 21/16 - Moyens mécaniques facilitant la maintenance de l'appareil, p. ex. structures modulaires
30.
DOCUMENT PROCESSING APPARATUS EXECUTING WORKFLOW, AND COMPUTER-READABLE, NON-TRANSITORY RECORDING MEDIUM HAVING DOCUMENT PROCESSING PROGRAM RECORDED THEREON
A document processing apparatus includes a document processor that executes a workflow including executing a specific processing with respect to an inputted document, and outputting an execution result to a specific destination. The document processor allows, when there is a remaining processing amount of the image processing operation permitted to the user, the operation device to select all the workflows associated with the user, as the workflow to be executed. The document processor allows, when there is no remaining processing amount of the image processing operation, the operation device to select only the workflow not including the image processing operation, out of all the workflows associated with the user, as the workflow to be executed.
An image forming apparatus includes an acquisition processing portion and a first display processing portion. When a predetermined acquisition timing arrives, the acquisition processing portion starts an acquisition process of sequentially acquiring job information of print jobs held in a print server from the print server. In response to a predetermined specific operation received after the acquisition timing, the first display processing portion causes a display portion to display a list of the print jobs based on the job information acquired by the acquisition process before the specific operation is received.
A display control device includes a display section and a display controller. The display controller controls the display section so as to cause the display section to display a first image (703a to 703f) and a second image. The first image (703a to 703f) is displayed in an upper layer for the second image. The first image (703a to 703f) represents a category item. The second image represents a setting item belonging to the category item. The display controller controls the display section so as to cause the display section to display a predetermined image (705) in the first image (703a to 703f) according to the setting item that has been entered.
A maintenance device includes a cap, a supply part, and a first heating part. The cap is attached on a nozzle surface of the inkjet head. The supply part is communicated with the cap, and supplies a humidified air generated using a humidifying medium, to the cap. The first heating part heats the supply part. The supply part is disposed below the cap.
B41J 2/165 - Prévention du colmatage des ajutages, p. ex. nettoyage, obturation par un capuchon ou humidification des ajutages
B41J 2/17 - 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 la manipulation de l'encre
A maintenance device includes a cap, an air supply port, and a suppression member. The cap is attached to a nozzle surface of an inkjet head. The air supply port is provided in the cap. The suppression member is provided between the air supply port and the nozzle surface, and has a first gap from the air supply port and a second gap from the nozzle surface. The suppression member has one or more through-holes, and a recess. The through-holes are provided in a position not facing the air supply port of the suppression member, and penetrate from a side of the air supply port to a side of the nozzle surface. The recess is provided on an upper surface of the suppression member and recessed deeper than an edge portion of the through-hole.
An image forming apparatus includes a process unit pulled out from an apparatus main body along a pull-out direction. The process unit includes a pair of side plates, a plurality of developing devices, a lock member, and a biasing member. The side plates face each other in a direction crossing the pull-out direction. The developing devices are arranged along the pull-out direction and attached to the side plates detachably. The lock member is provided for each developing device and movable between a lock position and an unlock position. The biasing member biases the lock member to the lock position. The apparatus main body includes a guide part. As the process unit is pulled out, one of the lock members is guided by the guide part and moved to the lock position or the unlock position such that the developing device corresponding to the lock member is locked or unlocked.
A sheet drying apparatus includes a first conveyance portion, a drying portion, a suction fan, an exhaust portion, first and second ducts, a separation fan, a separation duct, a cooling fan, and a cooling duct. The separation fan separates a sheet from the first conveyance portion at a separation position. The separation duct communicates the separation fan with the separation position. The cooling fan cools the suction fan. The cooling duct communicates the cooling fan with the suction fan. The suction fan and the second duct are arranged downstream of the drying portion. The separation fan, the separation duct, the cooling fan, and the cooling duct are arranged downstream of the suction fan and the second duct. The separation duct and the cooling duct are arranged so that at least parts of them overlap with each other as viewed from the width direction horizontally orthogonal to the conveyance direction.
A sheet drying apparatus includes a conveyance portion, a drying portion, and a preliminary drying portion. The conveyance portion conveys a sheet on which an image is formed with ink containing moisture. The drying portion is arranged opposite the conveyance portion and heats and dries the sheet. The preliminary drying portion is arranged adjacently upstream of the drying portion with respect to the conveyance direction of the sheet, and preliminarily dries the sheet.
A sheet drying apparatus includes a conveyance portion, a drying portion, a main body frame accommodating the conveyance portion and the drying portion, an exterior cover attached to the main body frame, an inner cover, a locking mechanism, a temperature sensor, and a control portion. The drying portion is arranged opposite the conveyance portion and heats and dries a sheet on which an image has been formed with ink containing moisture. The inner cover can be opened and closed between the exterior cover and the drying portion. The locking mechanism locks the inner cover in a closed state. The temperature sensor senses the temperature in the drying portion. The control portion makes the locking mechanism lock the inner cover in the closed state until the temperature in the drying portion sensed by the temperature sensor falls below a first temperature.
A sheet drying apparatus includes a conveyance portion, a drying portion, a heater voltage power supply, and a control portion. The conveyance portion conveys a sheet having an image formed on it with ink containing moisture. The drying portion has a heater arranged opposite the conveyance portion and heats and dries the sheet by using the heater. The heater voltage power supply applies an alternating-current voltage to the heater. The control portion controls the heater voltage power supply. The control portion can change the duty of the alternating-current voltage applied to the heater from an initial set value to an adjusted set value.
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
40.
IMAGE READING APPARATUS CAPABLE OF READING SHADOWS GENERATED AT A LEADING EDGE OF A DOCUMENT, IMAGE FORMING APPARATUS, AND READING CONDITION ADJUSTMENT METHOD
An image reading apparatus includes an image sensor, an identification processing portion, and an adjustment processing portion. The image sensor has a first light emitting portion that emits light toward a reading position from a position on a conveying path of a document farther upstream in a conveying direction than the reading position, and outputs image data including an image of the document passing through the reading position using the first light emitting portion. The identification processing portion identifies the type of the image sensor. The adjustment processing portion, based on an identification result by the identification processing portion, adjusts, among reading conditions of the image of the document using the image sensor, specific conditions that are related to generation of a shadow that occurs when a leading edge of the document passes the reading position.
A sheet conveying device according to this disclosure includes a conveying tray onto which a sheet is loaded, a conveying mechanism, a raising and lowering mechanism, a raising and lowering control portion, a sensor, a first determination processing portion, and a second determination processing portion. The raising and lowering control portion drives the drive portion and controls raising and lowering of the conveying tray. The first determination processing portion determines on the basis of an output signal of the sensor whether or not a foreign object other than the sheet is present on the conveying tray while the raising and lowering control portion is raising the conveying tray before the conveying mechanism conveys the sheet. The second determination processing portion determines, on the basis that the output signal of the sensor changes while the conveying mechanism is conveying the sheet, that the sheet being conveyed is abnormal.
B65H 1/04 - Supports ou magasins pour les piles dans lesquelles on prélève des articles adaptés pour supporter les articles en position sensiblement horizontale, p. ex. pour les enlever en partant du haut de la pile
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
An image forming apparatus includes a density sensing portion, a cleaning portion, and a control portion. The density sensing portion includes a substrate and a sensor package and outputs a sensing value related to a toner density of a toner image formed on an outer circumferential surface of an image carrier. The control portion performs control so that, when the cleaning portion performs cleaning of a sensing surface, a brush is moved to a cleaning position where the brush contacts the sensing surface. The control portion also performs control so that, when the cleaning portion does not perform the cleaning of the sensing surface, the brush is moved to a retracted position where the brush does not contact the sensor package and the substrate.
A sheet feeding device includes a lift plate, a feeding portion, a lifting member lifting the lift plate, a motor coupled to a pivot shaft serving as the pivot fulcrum of the lifting member, a control portion, and an encoder outputting a pulse signal according to the rotation of the pivot shaft. The encoder includes a rotary member and an optical sensor. The control portion recognizes the remaining quantity of sheets on the lift plate based on the count value of the pulse signal. When the motor stops being driven, the control portion thereafter does not count the pulse signal until a predetermined period elapses.
B65H 1/14 - Supports ou magasins pour les piles dans lesquelles on prélève des articles avec moyens pour faire avancer la pile en vue de présenter les articles à un dispositif d'enlèvement comportant des dispositifs mécaniques à action directe
B65H 1/04 - Supports ou magasins pour les piles dans lesquelles on prélève des articles adaptés pour supporter les articles en position sensiblement horizontale, p. ex. pour les enlever en partant du haut de la pile
B65H 3/06 - Rouleaux ou séparateurs rotatifs analogues
B65H 7/04 - 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 non présence d'articles, p. ex. après épuisement de la pile
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
G01D 5/347 - Moyens mécaniques pour le transfert de la grandeur de sortie d'un organe sensibleMoyens pour convertir la grandeur de sortie d'un organe sensible en une autre variable, lorsque la forme ou la nature de l'organe sensible n'imposent pas un moyen de conversion déterminéTransducteurs non spécialement adaptés à une variable particulière utilisant des moyens optiques, c.-à-d. utilisant de la lumière infrarouge, visible ou ultraviolette avec atténuation ou obturation complète ou partielle des rayons lumineux les rayons lumineux étant détectés par des cellules photo-électriques en utilisant le déplacement d'échelles de codage
G03G 15/00 - Appareils pour procédés électrographiques utilisant un dessin de charge
A developing device includes a development container, a first conveyance member, a second conveyance member, and a developer carrier. The second conveyance member includes a regulation blade that is formed downstream of a second conveyance blade with respect to a second direction which is a conveyance direction of the developer, and that conveys the developer in a direction opposite to the second conveyance blade. A developer replenishment port is formed in an upper surface of the development container, and at least part of an opening length thereof in the second direction is included in a regulation area which is an area inside a second conveyance chamber where the regulation blade is disposed. At least part of the developer replenished through the developer replenishment port falls into both a first conveyance chamber and the regulation area.
G03G 15/08 - Appareils pour procédés électrographiques utilisant un dessin de charge pour développer en utilisant un développateur solide, p. ex. développateur en poudre
45.
IMAGE READING DEVICE AND IMAGE FORMING APPARATUS THEREWITH
An image reading device includes a contact glass, an automatic document feeder, a first reading module, a second reading module, a first white reference member, a second white reference member, and a control portion. The first reading module reads the image on the front side of a stationary document placed on the contact glass and a conveyed document conveyed to an automatic reading position by the automatic document feeder. The second reading module is disposed in the automatic document feeder and reads the image on the back side of a conveyed document. When performing a duplex reading process to read the images on the front and back sides of the conveyed document simultaneously, the control portion, after the duplex reading process is requested, performs offset adjustment, gain adjustment, and acquisition of back-side black reference data and back-side white reference data for the second reading module.
An image forming apparatus includes a developing device, a container, a toner supplying device, and a control portion. The developing device supplies toner to an image carrying member. The container stores the toner supplied to the developing device. The toner supplying device transports the toner in the container to the developing device to supply the toner to it. The control portion senses toner emptiness in the container by using a plurality of emptiness sensing paths and uses different emptiness sensing conditions for the plurality of emptiness sensing paths.
G03G 15/00 - Appareils pour procédés électrographiques utilisant un dessin de charge
G03G 15/01 - Appareils pour procédés électrographiques utilisant un dessin de charge pour reproduire des copies multicolores
G03G 15/08 - Appareils pour procédés électrographiques utilisant un dessin de charge pour développer en utilisant un développateur solide, p. ex. développateur en poudre
An inkjet recording apparatus includes a tank, a pump, an inkjet head, a radiator, a blower, a flow pass, a head temperature measuring part, an outside air temperature measuring part, and a control part. The tank stores a cooling liquid. The pump feeds the cooling liquid. The inkjet head ejects ink. The radiator cools the cooling liquid. The blower blows air to the radiator. Along the flow pass, the cooling liquid circulates through the tank, the pump, the inkjet head, and the radiator. The head temperature measuring part measures a temperature of the inkjet head. The outside air temperature measuring part measures an outside air temperature. The control part controls a flow rate of the pump according to a temperature of the inkjet head measured by the head temperature measuring part and an outside air temperature measured by the outside temperature measuring part.
B41J 29/377 - Dispositions pour le refroidissement ou la ventilation
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
48.
SHEET DRYING APPARATUS AND IMAGE FORMING SYSTEM PROVIDED THEREWITH
A sheet drying apparatus includes a conveyance portion, a drying portion, a suction fan unit, an exhaust portion, and first and second ducts. The conveyance portion conveys a sheet on which an image is formed with ink containing moisture. The drying portion heats and dries the sheet. The suction fan unit is arranged downstream of the drying portion in the conveyance direction of the sheet and includes a suction fan that sucks in air present in a drying space between the conveyance portion and the drying portion. The exhaust portion discharges the air sucked in by the suction fan unit. The first duct communicates the drying space with the suction fan. The second duct communicates the suction fan with the exhaust portion. The suction fan unit collects the air present in the drying space by sucking it in the horizontal direction orthogonal to the conveyance direction via the first duct.
A sheet drying apparatus includes a conveyance portion and a drying portion. The conveyance portion conveys a sheet on which an image is formed with ink containing moisture. The drying portion is arranged opposite the conveyance portion and heats and dries the sheet. The drying portion includes a heating unit having a plurality of infrared heaters extending in the width direction horizontally orthogonal to the conveyance direction of the sheet and arranged side by side along the conveyance direction and a plurality of reflectors that surround the infrared heaters from a direction opposite to the conveyance portion, and a hot air fan arranged opposite the conveyance portion across the heating unit and blowing toward the conveyance portion hot air heated as a result of air passing through the interval between the reflectors. As many reflectors as the infrared heaters are arranged such that each reflector surrounds one infrared heater individually.
A sheet drying apparatus includes a conveyance portion, a drying portion, and a sheet lift sensing mechanism. The conveyance portion has a conveyance member that moves while holding a sheet having an image formed on it with ink containing moisture. The drying portion is arranged opposite the conveyance member and heats and dries the sheet. The sheet lift sensing mechanism includes a sheet lift sensor having a light emitter and light receiver opposite each other in the width direction of the sheet horizontally orthogonal to the conveyance direction and a sensing assist member that protrudes from above into a conveyance space above the conveyance member and that contacts a lifted part of the sheet to rotate it in a horizontal direction. The distance from the conveyance member to the sensing assist member is smaller than the minimum height of the conveyance space.
An image forming apparatus includes an image forming section, an optical scanning device, an image density sensor, and a control unit. The optical scanning device scans the surface of the image carrying member with light emitted from light sources to form an electrostatic latent image. The control unit can perform light amount calibration to adjust the exposure amount of the light scanning device based on the density of a reference image detected by the image density sensor. The reference image used for light amount calibration has a dot pattern in which as many individual dots as there are light sources are arrayed at regular intervals in the main scanning direction. The dot pattern is formed repeatedly in the main and sub scanning directions. The dots forming the dot pattern are arranged at different positions in the sub scanning direction to be displaced in units of pixels from each other.
G03G 15/00 - Appareils pour procédés électrographiques utilisant un dessin de charge
G03G 15/043 - Appareils pour procédés électrographiques utilisant un dessin de charge pour exposer, c.-à-d. pour projeter optiquement l'image originale sur un matériau d'enregistrement photoconducteur avec des moyens de commande de l'éclairage ou de l'exposition
An inkjet image forming apparatus includes an image forming part, a precoating unit, a pre-drying part, and a control part. The precoating unit is arranged on an upstream side of the image forming part. The pre-drying part is arranged on a downstream side of the precoating unit, and pre-dries the precoating liquid ejected on the printing base material before the inks are ejected in the image forming part. The control part controls the pre-drying part so that W1
B41J 11/00 - Dispositifs ou agencements pour supporter ou manipuler un matériau de copie en feuilles ou en bandes
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 11/037 - Encres d’imprimerie caractérisées par des particularités autres que la nature chimique du liant caractérisées par le pigment
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 11/54 - 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
A packing member includes a shock absorbing member and a base member. The base member has a first holding portion having a placement portion on which the shock absorbing member is placed, a first side portion, a top surface portion, and a second side portion. The second side portion has an engagement hole. The base member further has a second holding portion which protrudes upward from the side edge of the placement portion opposite from its side connecting to the first side portion. The second holding portion is disposed between the shock absorbing member and the second side portion, and has a base portion and a lock portion. The lock portion, by being folded at the boundary with the base portion, protrudes outward via the engagement hole, and engages with an edge of the engagement hole.
B65D 81/133 - Réceptacles, éléments d'emballage ou paquets pour contenus présentant des problèmes particuliers de stockage ou de transport ou adaptés pour servir à d'autres fins que l'emballage après avoir été vidés de leur contenu spécialement adaptés pour protéger leur contenu des dommages mécaniques maintenant le contenu en position éloignée des parois de l'emballage ou des autres pièces du contenu utilisant des feuilles rigides ou semi-rigides en matériau amortisseur de chocs de forme spécialement adaptée au contenu, p. ex. plateaux
An inkjet ink includes: a pigment; a resin particle; and an aqueous medium. The resin particle includes a specific urethane resin. A content ratio of the resin particles is 2.5 mass % or more and 9.0 mass % or less. The specific urethane resin has a breaking elongation at 25° C. of 60% or less. The specific urethane resin has a glass transition temperature of 40° C. or more and 110° C. or less. The aqueous medium includes water and a specific organic solvent. A content ratio of the specific organic solvent is 0.3 mass % or more and less than 2.0 mass %. The specific organic solvent has a boiling point of 200° C. or more and 275° C. or less. The specific organic solvent has an SP value of 19.5 (J/cm3)1/2 or more and 26.0 (J/cm3)1/2 or less.
C09D 11/033 - Encres d’imprimerie caractérisées par des particularités autres que la nature chimique du liant caractérisées par le solvant
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
A control device includes a signal generating portion, a signal output portion, and a power supply control portion. The signal generating portion is configured to output a first signal from an output terminal. The signal output portion includes an input terminal configured to receive the first signal. The signal output portion is configured to output a control signal corresponding to the first signal. The power supply control portion is configured to control a second power supply provided separately from a first power supply and stop power supply from the second power supply to the signal output portion in accordance with a second signal from outside. The first power supply is configured to drive the signal generating portion. The second power supply is configured to drive the signal output portion.
A data processing apparatus includes a segmentation unit, a converter, and a point cloud processing unit. The segmentation unit is configured to divide at least a part of distance image data including distance information to a measurement point in a measurement space into a plurality of first distance image segment data depending on the distance information. The converter is configured to individually convert each of the plurality of first distance image segment data to first point cloud segment data being point cloud data including coordinate information of the measurement point in the measurement space. The point cloud processing unit is configured to individually perform processing on each of a plurality of the first point cloud segment data respectively obtained from the plurality of first distance image segment data in the converter.
An image reading device includes a contact glass, an automatic document feeder, a first reading module, a second reading module, a white reference member, a swinging mechanism, one motor, and a control portion. The swinging mechanism swings the second reading module or white reference member in a direction orthogonal to the conveyance direction. The control portion, by rotating a motor forward, drives a conveying member to convey a document and, by rotating the motor reversely, drives the swinging mechanism with the conveying member at rest to swing the second reading module or white reference member and meanwhile acquire white reference data. When performing a duplex reading process successively for a plurality of sheets of a conveyed document, the control portion acquires the white reference data with the document at rest closely upstream of the second reading module in the conveyance direction.
H04N 1/00 - Balayage, transmission ou reproduction de documents ou similaires, p. ex. transmission de fac-similésLeurs détails
G03G 15/22 - Appareils pour procédés électrographiques utilisant un dessin de charge impliquant la combinaison de plus d'une phase de traitement comprise dans les groupes
H04N 1/203 - Balayage simultané de plusieurs images séparées
An ink jet image forming apparatus includes an image forming part, a corona discharge treatment unit, and a control part. The image forming part ejects ink based on image data on a printing base material conveyed in a predetermined conveyance direction to form an image. The corona discharge treatment unit is disposed on an upstream side of the head unit in the conveyance direction and performs a corona discharge on the printing base material. The control part controls a discharge amount of the corona discharge performed by the corona discharge treatment unit. The control part controls the discharge amount based on an arithmetic average roughness of the printing base material.
B41J 11/00 - Dispositifs ou agencements pour supporter ou manipuler un matériau de copie en feuilles ou en bandes
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 29/00 - Parties constitutives ou accessoires pour machines à écrire ou mécanismes d'impression sélective non prévus ailleurs
59.
DOCUMENT FEEDING DEVICE AND IMAGE SCANNING APPARATUS
A transportation device transports a document sheet from a feeding tray to an output tray. A first lifting device lifts and lowers the feeding tray. A feeding-tray upperlimit sensor detects that the feeding tray reaches an upperlimit height. An output-tray sheet sensor detects the document sheet on the output tray. Further, the controller at a standby status (a) determines whether a document sheet is on the output tray or not, (b1) if a document sheet is not on the output tray, arranges the feeding tray at a predetermined intermediate position, and (b2) if a document sheet is on the output tray, arranges the feeding tray at a lower position that is a position apart by a predetermined distance from a position of the feeding tray when detecting that the feeding tray reaches the upperlimit height. Here, the lower position is a position higher than the intermediate position.
B65H 7/04 - 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 non présence d'articles, p. ex. après épuisement de la pile
B65H 1/04 - Supports ou magasins pour les piles dans lesquelles on prélève des articles adaptés pour supporter les articles en position sensiblement horizontale, p. ex. pour les enlever en partant du haut de la pile
B65H 1/08 - Supports ou magasins pour les piles dans lesquelles on prélève des articles avec moyens pour faire avancer la pile en vue de présenter les articles à un dispositif d'enlèvement
H04N 1/00 - Balayage, transmission ou reproduction de documents ou similaires, p. ex. transmission de fac-similésLeurs détails
60.
OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME
An optical scanning device includes a housing, a transmissive member, a linear member, a drive portion, a guide rail, a cleaning holder, a cleaning member, a detection portion, and a control portion. The detection portion includes a light emitter that emits light in a juxtaposition direction of the transmissive member and a light receiver that receives the light emitted from the light emitter. The cleaning holder includes a light blocking portion that is located, when the cleaning holder reaches one end part of a movement path thereof, between the light emitter and the light receiver so as to block the light emitted from the light emitter, with a gap formed between the light blocking portion and the housing. The housing includes a light leakage prevention portion formed between the light emitter and the light receiver.
G03G 15/04 - Appareils pour procédés électrographiques utilisant un dessin de charge pour exposer, c.-à-d. pour projeter optiquement l'image originale sur un matériau d'enregistrement photoconducteur
G03G 21/00 - Dispositions non prévues dans les groupes , p. ex. nettoyage, élimination des charges résiduelles
A control device includes a signal generating portion, a signal output portion, and a correction circuit. The signal generating portion is configured to output a first signal from an output terminal. The signal output portion includes an input terminal configured to receive the first signal. The signal output portion is configured to output a control signal corresponding to the first signal. The correction circuit is inserted between the output terminal of the signal generating portion and the input terminal of the signal output portion. The correction circuit is configured to set a voltage of the input terminal to a specific value in accordance with a second signal from outside.
H03K 19/17784 - Détails structurels pour l'adaptation des paramètres physiques pour la tension d'alimentation
H03K 19/20 - Circuits logiques, c.-à-d. ayant au moins deux entrées agissant sur une sortieCircuits d'inversion caractérisés par la fonction logique, p. ex. circuits ET, OU, NI, NON
62.
Image forming apparatus including main ribs respectively corresponding to sheets of plural sizes and sub-rib lower than main rib
An image forming apparatus includes a fixing device, an ejection device and a conveyance guide. The fixing device is configured to fix a toner image onto a sheet. The ejection device is configured to eject the sheet having fixed toner image by the fixing device. The conveyance guide is configured to guide the sheet along a conveyance path from the fixing device to the ejection device. The conveyance guide is provided with a plurality of main ribs formed along a sheet conveyance direction so as to be located inwardly by a predetermined length from both side edges of sheets of a plurality of sizes in a sheet width direction intersecting with the sheet conveyance direction. The conveyance guide is provided with a sub-rib formed to be lower than the main ribs arranged at a space where the interval between the main ribs is wider than a predetermined interval.
A droplet discharge head according to an embodiment includes a head body, a driver IC, a flexible substrate, and a head substrate. The head body discharges droplets. The driver IC controls driving of the head body. The driver IC is mounted on the flexible substrate, and the flexible substrate is electrically connected to the head body. The head substrate includes a first connector. The flexible substrate includes a second connector 10 corresponding to the first connector, and allows the second connector to be turned inside-out. The second connector is connected to the first connector in a state of being turned inside-out.
In an inkjet recording device (1), an intermediate flow passage (53) is connected to a downstream section of a first flow passage (89), and is in communication with a recording head (52) and a second flow passage (90). A communicating flow passage (54) includes a first branch flow passage (54A) that supplies ink from the intermediate flow passage (53) to the recording head (52), a second branch flow passage (54B) that causes the ink to circulate from the recording head (52) to the second flow passage (90), and a third branch flow passage (54C) that causes the ink to flow from the intermediate flow passage (53) to the second flow passage (90). Opening/closing valves (96), (55A), (55B), (55C) are respectively provided to a third flow passage (91) and the first branch flow passage (54A), the second branch flow passage (54B), and the third branch flow passage (54C).
B41J 2/17 - 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 la manipulation de l'encre
In order to avoid a situation where a temperature of a part of a fixing member becomes an inappropriate temperature due to variations in a size or conveying position of a sheet, a plurality of resistance blocks include a target block and an adjacent block provided next to the target block. A plurality of resistance elements of the target block include one or a plurality of end portion resistance elements and a target resistance element. The end portion resistance element is positioned at an end portion of the target block on a side of the adjacent block. The target resistance element is positioned next to the end portion resistance element. When power is supplied to the target block, a heat generation amount of the target resistance element is larger than that of the one end portion resistance element or of each of the plurality of end portion resistance elements.
An electronic apparatus includes a display device, a touch panel, and a panel control unit. The display device is configured to display an operation screen. The touch panel is configured to detect an operation to the operation screen. The panel control unit is configured to perform transition of the operation screen in accordance with the detected operation. Further, if the operation to go back along the transition is detected with a predetermined frequency or more, the panel control unit displays on the operation screen a first soft key to indicate misrecognition of the touch panel.
G06F 3/041 - Numériseurs, p. ex. pour des écrans ou des pavés tactiles, caractérisés par les moyens de transduction
G06F 3/04886 - Techniques d’interaction fondées sur les interfaces utilisateur graphiques [GUI] utilisant des caractéristiques spécifiques fournies par le périphérique d’entrée, p. ex. des fonctions commandées par la rotation d’une souris à deux capteurs, ou par la nature du périphérique d’entrée, p. ex. des gestes en fonction de la pression exercée enregistrée par une tablette numérique utilisant un écran tactile ou une tablette numérique, p. ex. entrée de commandes par des tracés gestuels par partition en zones à commande indépendante de la surface d’affichage de l’écran tactile ou de la tablette numérique, p. ex. claviers virtuels ou menus
An image forming apparatus includes a plurality of container groups, and a container housing. The container groups include a plurality of toner containers containing toner of different colors arranged in a left-and-right directions. The container housing houses the container groups arranged in an upper-and-lower direction. The toner containers of the container groups arranged in the upper-and-lower direction are shifted in the left-and-right direction. The container housing includes a lower rail, an upper rail, and an opening frame. The lower rail houses lower halves of the toner containers of the container group. Then upper rail houses upper halves of the toner containers of the container group and is connectable to the lower rail. The opening frame has openings to and from which the toner containers are attached and detached. A container rail assembly in which the lower rail and the upper rail are connected is assembled to the opening frame.
G03G 21/16 - Moyens mécaniques facilitant la maintenance de l'appareil, p. ex. structures modulaires
G03G 15/08 - Appareils pour procédés électrographiques utilisant un dessin de charge pour développer en utilisant un développateur solide, p. ex. développateur en poudre
A driving device (51) generates driving force for traveling, scanners (12a, 12b) optically scan a floor surface to generate a partial floor surface image, and a controller (54) controls the driving device (51) to reduce the deviation between a prescribed path and the current position of a moving body (1) detected on the basis of the partial floor surface image so that the moving body (1) travels on the path. The scanners (12a, 12b) are line scanners, and the controller (54) performs shape conversion on the partial floor surface image when the moving body (1) is turning so that the partial floor surface image curves along the path. The current position of the moving body (1) is detected on the basis of the post-shape-conversion partial floor surface image.
A moving body (1) comprises: a driving device (51) that generates driving force for travel; scanners (12a, 12b) that optically scan a floor surface to generate a partial floor surface image; and a controller (54) that controls the driving device (51) to reduce any deviation between a prescribed path and the current position of the moving body (1), which is detected on the basis of the partial floor surface image, so that the moving body (1) travels on the path. The controller (54) causes the scanners (12a, 12b) to intermittently generate partial floor surface images at prescribed intervals.
An image processing apparatus includes a controller, wherein the controller allows a display device to display a job execution history in which respective sets of setting data on a plurality of jobs are chronologically arranged, when a touch panel accepts a specification instruction for specifying the set of setting data on a job in the job execution history, the controller allows the display device to display a pop-up window for use in instructing a change in the set of setting data specified by the specification instruction, and when the touch panel accepts through the pop-up window a change instruction to change the specified set of setting data, the controller generates a set of setting data on a different job in which contents of the change instruction are reflected, and allows the set of setting data on the different job to be displayed in the job execution history.
A feeding device includes a set plate, a feeding unit, a fan, a heater, a control unit and a temperature and humidity sensor. When the control unit receives a feeding start command, if the sheet to be fed by the feeding unit is coated paper, the control unit performs condition determination processing to determine whether an internal environment satisfies a predetermined condition. When the control unit determines that the predetermined condition is satisfied, the control unit starts driving of the fan and the heater, and then starts the feeding of the sheet. When the feeding of the sheet is completed, the control unit stops the driving of the heater and continues the driving of the fan regardless of whether the internal environment satisfies the predetermined condition.
A sheet discharger includes a sheet discharge outlet, a discharge member, a sheet discharge tray, and an air blowing mechanism. The discharge member conveys a sheet in a discharge direction. The sheet discharged through the sheet discharge outlet is loaded on the sheet discharge tray. The air blowing mechanism includes an air blowing port for blowing an air flow from upward to the sheet discharged through the sheet discharge outlet and an air blower that is connected to the air blowing port and generates the air flow. The air blowing port is provided above the sheet discharge outlet, at least a pair of air blowing ports is arranged at a middle in a width direction of the sheet orthogonal to the discharge direction, and the air flow is blown through the air blowing port diagonally downward from inside toward outside in the width direction of the sheet.
B41J 13/10 - Supports de feuilles, taquets d'arrêt ou guides fixes
B41J 13/00 - Dispositifs ou agencements spécialement adaptés pour supporter ou manipuler un matériau de copie en petites longueurs, p. ex. des feuilles
A post-processing device includes a processing tray, a stapler, a movement mechanism, an operation unit and a control unit, the operation unit includes a manual input unit that receives an instruction to perform stapling processing in a manual mode, when a first operation is performed on the manual input unit, the control unit causes the stapler to perform the stapling processing and when a second operation is performed on the manual input unit, the control unit retracts the stapler into a retraction position.
B65H 37/04 - Appareils délivrant des articles ou des bandes, comportant des dispositifs pour exécuter des opérations auxiliaires particulières pour fixer ensemble des articles ou des bandes, p. ex. par adhésifs, piqûre ou brochage
An electronic apparatus includes plural motor units exchangeable with each other. Each of the plural motor units includes a counter that counts an accumulated number of rotations or accumulated operation time and displays any of the accumulated number of rotations, the accumulated operation time and a remaining lifetime based on the accumulated number of rotations or the accumulated operation time.
A control device causes a printing device to execute a test print process during continuous print processing. The control device causes an image reading device to execute a reading process for a test image; The control device determines whether the read image is normal or abnormal. The control device causes the printing device to execute a target print process of a page after a page corresponding to a determination process in which a result of determination as normal was obtained most recently, among executed print processes already executed in the continuous print processing when an adjusted event occurs while the continuous print processing is suspended.
A CO2 emissions estimation system includes a control device including a processor and functioning, through the processor executing a CO2 emissions estimation program, as an emissions estimator. The emissions estimator determines an estimated value of CO2 emissions from an image forming apparatus, using a first estimation model as a formula for estimating the emissions, a setting value for the image forming apparatus, and job execution information as information related to execution of a job by the image forming apparatus. The first estimation model is a formula where a multiple regression expression for determining an estimated value of a power consumption of the image forming apparatus is multiplied by a CO2 emissions factor. The first estimation model has an explanatory variable according to a different type of the setting value and/or an explanatory variable according to a different type of the job execution information.
A main body includes a first opening and a second opening. A first cover member is capable of opening and closing the first opening. A second cover member is capable of opening and closing the second opening. At least a part of a fixing device can be drawn out from the main body via the second opening. A latch mechanism latches the second cover member at a closing position. A release mechanism is arranged at a position that can be accessed from the first opening in the main body and releases the latch of the second cover member by the latch mechanism upon receiving an external force.
A CO2 emissions estimation system includes a control device including a processor and functioning, through the processor executing a CO2 emissions estimation program, as an emissions estimator. The emissions estimator determines an estimated value of CO2 emissions from an image forming apparatus, using an estimation model as a formula for estimating the emissions. When a number of sheets subjected to a particular job on the image forming apparatus in a specified period is 1 or more, the emissions estimator determines an estimated value of the emissions in the specified period using a first estimation model as the estimation model. When the number of sheets subjected to the particular job in the specified period falls short of 1, the emissions estimator determines an estimated value of the emissions in the specified period using as the estimation model a second estimation model different from the first estimation model.
A tilted surface is provided in a heating unit and is tilted with respect to a first direction. A movable member includes a roller and is movable along the first direction. A first direction movement mechanism causes the movable member to move along the first direction in an interlocking manner with a movement of an operation member. When the movable member moves in an interlocking manner with the movement of the operation member in a first operation direction, the roller rolls on the tilted surface to cause the heating unit to move toward a second side against a bias force of a bias member. When the movable member moves in the interlocking manner with the movement of the operation member in a second operation direction, the roller rolls on the tilted surface, and the bias member causes the heating unit to move toward a first side.
Each of several mobile units (1) scans a floor surface part at the current position of the mobile unit (1) to generate a partial floor surface image, generates transmission data of the partial floor surface image in which the data amount is reduced according to a data compression setting, and transmits the transmission data to an administrative server (2). The administrative server (2) receives the transmission data from the several mobile units (1), identifies the current position of each of the mobile units (1) on the basis of the partial floor surface image indicated by the received transmission data, and controls, for each of the several mobile units (1), the operation of the mobile unit (1) on the basis of the identified current position of the mobile unit (1). In this case, the data compression setting is changed according to a predetermined condition.
An inkjet recording device (100) comprises a recording head (40) for recording an image on a recording medium(S) that is being transported, a control unit (6) for controlling flushing processing for discharging ink at a timing different from the timing of the image recording, and a storage unit (7) for storing flushing ink discharged during execution of the flushing processing, wherein the storage unit (7) is detachably fitted to a fitting region (7A), which is a region opposing the recording head (40) across a transport pathway of the recording medium(S).
B41J 2/17 - 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 la manipulation de l'encre
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 2/165 - Prévention du colmatage des ajutages, p. ex. nettoyage, obturation par un capuchon ou humidification des ajutages
B41J 11/00 - Dispositifs ou agencements pour supporter ou manipuler un matériau de copie en feuilles ou en bandes
An image forming apparatus includes an image carrying member, a charging device, an exposure device, a development device, and a development voltage power supply. The image carrying member has an amorphous silicon photosensitive layer formed on its surface. The development device includes a developer carrying member carrying two-component developer containing toner and carrier. The development voltage power supply applies to the developer carrying member a development voltage having an alternating-current voltage superposed on a direct-current voltage. When the blank part potential on the image carrying member is V0 [V], the direct-current voltage is Vdc [V], the peak-to-peak value of the alternating-current voltage Vac is Vpp [kV], and the gap between the image carrying member and the developer carrying member is Ds [mm], 10≤V0−Vdc≤90 and 1.2≤Vpp/Ds≤3.5 are fulfilled.
G03G 15/00 - Appareils pour procédés électrographiques utilisant un dessin de charge
G03G 5/082 - Couches photoconductricesCouches de génération de charges ou couches de transport de chargesAdditifs à cet effetLiants à cet effet caractérisées par le fait que leur matériau photoconducteur est inorganique et non incorporé dans un matériau de liaison, p. ex. déposé sous vide
G03G 15/08 - Appareils pour procédés électrographiques utilisant un dessin de charge pour développer en utilisant un développateur solide, p. ex. développateur en poudre
G03G 15/09 - Appareils pour procédés électrographiques utilisant un dessin de charge pour développer en utilisant un développateur solide, p. ex. développateur en poudre utilisant une brosse magnétique
G03G 15/16 - Appareils pour procédés électrographiques utilisant un dessin de charge pour transférer un dessin à un second support d'un dessin de teinte, p. ex. dessin de poudre
A punching unit includes a punching blade, a holder, a biasing member, an eccentric cam, and a punching guide. The eccentric cam contacts the holder, and rotates against a biasing force of the biasing member to move the holder in a punching direction in which the punching blade approaches the sheet. The punching guide extends in a moving direction of the punching blade in which the punching blade moves with respect to the sheet, and guides movement of the punching blade. The eccentric cam, when moving the holder in the punching direction, passes by a side of the punching guide in a manner overlapping with the punching guide as seen from a rotation axis direction of the eccentric cam.
An image reading apparatus includes an image reading device that reads an image of a document, a controller that causes the image reading device to sequentially read a plurality of documents one by one, a sheet defect decider that decides whether the document that has been read has a defect in sheet shape, on a basis of a document image acquired by the image reading device, a written information defect decider that decides whether information written on the document that has been read has a defect, on a basis of the document image acquired by the image reading device, and a decision device that decides that the document has a defect, when the sheet defect decider decides that the document has a defect in sheet shape, and the written information defect decider also decides that the information written on the document has a defect.
H04N 1/00 - Balayage, transmission ou reproduction de documents ou similaires, p. ex. transmission de fac-similésLeurs détails
85.
INDUSTRIAL PRINTING SYSTEM, PRINT SERVER, AND VARIABLE PRINTING METHOD THAT GUARANTEES PRINT QUALITY EVEN WHEN REQUESTING PEER-TO-PEER VARIABLE PRINTING
Provided is an industrial printing system that guarantees print quality when requesting peer-to-peer variable printing for production printing. An industrial printing system includes a plurality of print servers, printing apparatuses, and inspecting apparatuses, and performs variable printing of print data for production printing. Each of the plurality of print servers includes an inspection master generating unit and a processing management unit. The inspection master generating unit generates master data for inspection in which inspection processing and good-quality standard are set for the print data. The processing management unit transmits the print data and the master data generated by the inspection master generating unit to the other print server and requests processing. The inspecting apparatus inspects the printed matter of the print data based on the master data.
A sheet conveyance device includes a sheet conveyance passage, a first sheet stacking portion, a first feeding portion, a second feeding portion, a sheet detection mechanism, a driving portion, and a control portion. The first sheet stacking portion has a bottom face part and a lifting plate. The driving portion drives the first feeding portion when rotating forward and drives the second feeding portion when rotating reversely. The sheet detection mechanism has an actuator and a detection sensor. The control portion controls such that, for a sheet fed from the first sheet stacking portion, when the sheet is detected by the sheet detection mechanism, the driving portion rotates forward and, for a sheet conveyed from the second feeding portion, the driving portion rotates reversely and, when the detection sensor detects the actuator swinging at the detection position, the driving portion is switched to rotate forward.
An electronic apparatus includes a logic circuit, a plurality of first storage portions, a switching portion, and a storage processing portion. The internal configuration of the logic circuit is reconfigurable based on configuration data corresponding to one or more functions. The plurality of first storage portions separately store the configuration data. The switching portion switches the first storage portion connected to the logic circuit. The storage processing portion stores, in a first storage portion not connected to the logic circuit among the first storage portions, the configuration data acquired from a second storage portion, instead of the configuration data stored in the first storage portion.
The stapling means drives stapler's staples into a bundle of sheets inserted into a sheet-insertion recessed portion. The moving plate is moved integrally with the stapling means in a sheet widthwise direction perpendicular to a sheet insertion direction in which the bundle of sheets is inserted into the sheet-insertion recessed portion. The base member supports the moving plate movably. The movement driving means makes the moving plate moved in the sheet widthwise direction. The sheet postprocessing device makes the stapling means moved via the moving plate by the movement driving means so as to drive the stapler's staples into the bundle of sheets, thus fulfilling stapling process. A center of gravity of the stapling means is positioned apart in the sheet insertion direction from a support point of the base member for the moving plate.
B65H 37/04 - Appareils délivrant des articles ou des bandes, comportant des dispositifs pour exécuter des opérations auxiliaires particulières pour fixer ensemble des articles ou des bandes, p. ex. par adhésifs, piqûre ou brochage
A nozzle unit has a first heater, a first temperature sensor, and a drive circuit. The second heater heats the nozzle unit from outside. A second temperature sensor detects a temperature outside the nozzle unit. A control portion adjusts power supplied to the first heater by a first temperature feedback control. The control portion operates the cooling device when a temperature detected by the first temperature sensor exceeds an allowable temperature while the first temperature feedback control is being executed. The control portion stops the supply of power to the first heater and the drive circuit when a pause condition is met. The control portion adjusts the power supplied to the second heater 52 by a second temperature feedback control in a paused state.
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 29/377 - Dispositions pour le refroidissement ou la ventilation
An image forming apparatus includes a unit that is attachable and detachable with respect to a main body frame, and a lock mechanism. The lock mechanism includes a handle portion, a lock member that is swingably disposed on the unit and has a hook portion engageable with an engaged portion formed on the main body frame, and a first biasing member that biases the lock member in a first direction in which the hook portion engages with the engaged portion. Due to the handle portion being moved in the detaching direction, the lock member is caused to swing against a biasing force of the first biasing member in a second direction opposite to the first direction so as to release engagement between the hook portion and the engaged portion. The lock member includes a restraint portion that restrains swinging of the lock member.
An inkjet ink includes a quinacridone pigment, a pigment dispersion resin, and a water-soluble organic solvent. The pigment dispersion resin includes an adsorbed resin adsorbed on the quinacridone pigment and an unadsorbed resin that is not adsorbed on the quinacridone pigment. A ratio of the unadsorbed resin to the pigment dispersion resin is 40 mass % or less. The water-soluble organic solvent includes a predetermined water-soluble organic solvent having an octanol/water partition coefficient Log P of 0.00 or more. A content ratio of the predetermined water-soluble organic solvent with respect to a mass of the inkjet ink is 15 mass % or more and 40 mass % or less. A sulfur concentration in a supernatant liquid obtained by centrifuging the inkjet ink at 1,050,000 G for 3 hours is 0.5 ppm or more and 2.0 ppm or less.
C09B 67/20 - Préparations à base de pigments organiques
C09B 67/22 - Mélanges de pigments ou de colorants différents, ou de solutions solides de pigments ou de colorants
92.
IMAGE READING DEVICE CAPABLE OF READING PLURALITY OF DOCUMENT SHEETS OF DIFFERENT SIZES THAT ARE PLACED ON DOCUMENT SHEET PLACING PORTION, IMAGE FORMING APPARATUS, AND IMAGE READING METHOD
An image reading device includes an image reading portion, a restriction portion, a limitation processing portion, and an output processing portion. The image reading portion reads an image of a document sheet. The restriction portion restricts a position of the document sheet in a width direction. The limitation processing portion limits an image reading range in the width direction to a document sheet width corresponding to a position of the restriction portion. The output processing portion reads, when the image reading range is limited to a specific document sheet width, an image of the document sheet, detects a contact end portion that comes into contact with the restriction portion in the document sheet included in a read image obtained by the reading, and clips and outputs, from the read image, a region determined based on the contact end portion and a determination result on a size of the document sheet.
An inkjet recording apparatus includes an ink collection tray and a cleaning liquid feeding mechanism. When recovery operation for a recording head that ejects ink onto a recording medium is performed, the ink collection tray is disposed opposite the recording head to collect ink pushed out onto the ink ejection surface of the recording head. The cleaning liquid feeding mechanism feeds a cleaning liquid for flushing off the ink onto the ink collection tray. The ink collection tray has a waste ink catching portion disposed opposite the ink ejection surface and a waste ink discharge portion disposed adjacent to the waste ink catching portion, and has a downward slope from the waste ink catching portion toward the waste ink discharge portion. The waste ink catching portion has formed in it a plurality of grooves with a V-shaped cross section extending along the downward slope.
B41J 2/17 - 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 la manipulation de l'encre
B41J 2/165 - Prévention du colmatage des ajutages, p. ex. nettoyage, obturation par un capuchon ou humidification des ajutages
An inkjet recording apparatus includes a plurality of inkjet heads, a cleaning liquid supply device, a removing device, a closing member, a surrounding member and a housing device. The cleaning liquid supply device supplies a cleaning liquid to the inkjet heads. The removing device removes adhered material from nozzle surfaces of the inkjet heads. The closing member closes a gap between the inkjet heads. The surrounding member surrounds the removing device and is opened toward the inkjet heads. The housing device houses the nozzle surfaces in a space formed by the closing member and the surrounding member when the adhered material is removed by the removing device.
B41J 2/165 - Prévention du colmatage des ajutages, p. ex. nettoyage, obturation par un capuchon ou humidification des ajutages
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
A fuser fixes a toner image on a print sheet using a fuser heater. A controller performs power control of the fuser heater for a heater control temperature. Further, the controller derives a correction value of the heater control temperature on the basis of an increment amount of sheet interval time in continuous printing and a heater turning-on time, derives the heater control temperature by correcting a predetermined reference value by the correction value within a range that the correction value does not exceed an upper limit value, sets the upper limit value on the basis of the increment amount and the heater turning-on time, and decreases a value of the heater turning-on time when the sheet interval time of the print sheet decreases. Here, the heater turning-on time is a value that indicates an accumulated time of power-on time of the fuser heater from starting the continuous printing.
An inkjet recording apparatus includes an ink collection tray and a cleaning liquid feeding mechanism. The ink collection tray is disposed opposite the recording head to collect ink pushed out onto the ink ejection surface of the recording head. The cleaning liquid feeding mechanism feeds a cleaning liquid onto the ink collection tray. The ink collection tray has a cleaning liquid catching portion, a cleaning liquid spreading portion, a waste ink catching portion, and a waste ink discharge portion, and has a downward slope from the cleaning liquid catching portion toward the waste ink discharge portion. The waste ink catching portion has formed in it a plurality of grooves with a V-shaped cross section extending along the downward slope. The cleaning liquid spreading portion has formed on it a pair of ribs that spreads in a fan shape from the cleaning liquid catching portion toward the waste ink catching portion.
B41J 2/17 - 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 la manipulation de l'encre
B41J 2/165 - Prévention du colmatage des ajutages, p. ex. nettoyage, obturation par un capuchon ou humidification des ajutages
97.
VOLTAGE SUPPLYING DEVICE, DEVELOPER RECOVERY DEVICE, AND IMAGE FORMING APPARATUS
A first voltage generation circuit outputs a first output voltage having a first polarity, of a level corresponding to a first adjustment signal, to a first output line. A first control circuit executes first feedback control for outputting the first adjustment signal to the first voltage generation circuit. A second voltage generation circuit generates a second output voltage having a second polarity, of a level corresponding to a second adjustment signal, and outputs it to a second output line. A second control circuit executes second feedback control for outputting the second adjustment signal to the second voltage generation circuit, to execute processing of causing the second voltage generation circuit to generate the second output voltage and processing of causing the second voltage generation circuit to stop outputting the second output voltage. The first control circuit executes the first feedback control at a response speed lower than the second feedback control.
G03G 15/00 - Appareils pour procédés électrographiques utilisant un dessin de charge
G03G 15/01 - Appareils pour procédés électrographiques utilisant un dessin de charge pour reproduire des copies multicolores
G03G 15/06 - Appareils pour procédés électrographiques utilisant un dessin de charge pour développer
G03G 15/08 - Appareils pour procédés électrographiques utilisant un dessin de charge pour développer en utilisant un développateur solide, p. ex. développateur en poudre
G03G 15/16 - Appareils pour procédés électrographiques utilisant un dessin de charge pour transférer un dessin à un second support d'un dessin de teinte, p. ex. dessin de poudre
G03G 21/00 - Dispositions non prévues dans les groupes , p. ex. nettoyage, élimination des charges résiduelles
H02M 1/00 - Détails d'appareils pour transformation
H02M 3/24 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant continu avec transformation intermédiaire en courant alternatif par convertisseurs statiques
98.
SHEET POST-PROCESSING APPARATUS AND IMAGE FORMING SYSTEM
A sheet post-processing apparatus includes a post-processing main unit and an expansion unit. The expansion unit, into which a sheet having passed through the post-processing main unit is introduced, is removably mounted on the post-processing main unit. The post-processing main unit includes a switching guide that switches the conveyance direction of the sheet between a first direction leading to a main-unit discharge tray and a second direction leading to the expansion unit. The expansion unit includes a guide contact member that, when the expansion unit is mounted on the post-processing main unit, makes contact with the switching guide to switch the switching guide to a position for the second direction.
A developing device includes a development container, a first conveyance member, a second conveyance member, a developer carrier, and a toner concentration sensor. The first conveyance member and the second conveyance member are rotatably supported in the development container, and convey the developer, while stirring the developer, in mutually opposite directions along a longitudinal direction of the development container. The first conveyance member includes a rotation shaft and a first conveyance blade helically formed on an outer circumferential part of the rotation shaft. The first conveyance blade includes a cutout portion formed by removing part of the first conveyance blade in a facing region with respect to the toner concentration sensor.
G03G 15/08 - Appareils pour procédés électrographiques utilisant un dessin de charge pour développer en utilisant un développateur solide, p. ex. développateur en poudre
G03G 15/095 - Enlèvement du développateur solide en excès
An inkjet recording apparatus includes an inkjet head, a dipping vessel, a lifting device and a removing device. The dipping vessel stores a cleaning liquid. The lifting device dips a nozzle surface of the inkjet head in the cleaning liquid by lifting or lowering the dipping vessel or the inkjet head. The removing device is provided in the dipping vessel and removes adhered material from the nozzle surface.
