Cellulose particles include mother particles, containing cellulose as a principal component; and a coating layer that coats the mother particles, in which the average circularity of the cellulose particles is 0.97 or more, and the relation between carbon atom amount Cs and oxygen atom amount Os in the cellulose particles measured by X-ray photoelectron spectroscopy satisfies the formula A1: Cs/Os≥2.0.
An information processing system includes a light sensor enabled to detect, on a per region basis, a presence of an object in a detection zone divided into multiple regions; and a processor configured to: set to be a first region each of the regions having an expected value lower than a predetermined threshold, the expected value calculated in accordance with a use count at which an information processing apparatus is used during a predetermined period of time from the detection of the object in the region in the detection zone; and if the object enters the first region with the information processing apparatus in a first power consumption mode, cause the information processing apparatus not to shift from the first power consumption mode to a second power consumption mode higher in power consumption than the first power consumption mode.
A packaging material includes a first surface part that is adjacent to one side of a boundary line and has a bottom plate on which an object to be packaged is placed, and a second surface part that is adjacent to the other side of the boundary line and has a top plate that holds and wraps the object to be packaged with the bottom plate in a state of being folded along the boundary line, the boundary line being interposed between the first surface part and the second surface part, in which the bottom plate and the top plate are rectangular regions where one corner of the bottom plate and one corner of the top plate are in contact with each other at the boundary line, and portions of the first surface part and the second surface part, which are located outside four sides of a rectangular shape of the bottom plate and the top plate, are folding portions that are foldable at the four sides.
A corner protector includes two surface portions having a rectangular shape and interposing a bent portion extending parallel to one side; a notch reaching the bent portion from one side of at least one surface portion of the two surface portions; and a folding line reaching one side of the other surface portion from a terminal end of the notch.
B65D 81/05 - Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
5.
INFORMATION SYSTEM, NON-TRANSITORY COMPUTER READABLE MEDIUM, AND INFORMATION PROCESSING METHOD
An information system includes a processor, in which, when an abnormality has been detected in a program that the system itself possesses, the processor refers to, among restoration programs for the program that the system itself or each of available other systems for the system itself possesses, a latest one of the restoration programs, and replaces the program that the system itself possesses with the latest one of the restoration programs.
A film includes a fluorine-free material and has a peel strength (kPa) from a fixed resin of (A) at 25° C. and (B) at 200° C. satisfying that (A) is 0 kPa or more and 20 kPa or less and (B−A) is 10 kPa or less.
G03G 15/20 - Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
G03G 15/16 - Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern
7.
INFORMATION PROCESSING SYSTEM AND NON-TRANSITORY COMPUTER READABLE MEDIUM
An information processing system includes one or more processors configured to receive a classification operation for classifying a plurality of items generated in advance into a displayed item to be displayed on a selection screen and a hidden item not to be displayed, display on the selection screen, the item classified as the displayed item and a button for causing the hidden item to be displayed, and display the hidden item on the selection screen when the button is operated.
G06F 3/04845 - Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range for image manipulation, e.g. dragging, rotation, expansion or change of colour
G06F 3/04817 - Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance using icons
8.
LUBRICANT COMPOSITION, TRANSFER DEVICE, AND IMAGE FORMING APPARATUS
A lubricant composition fed to an intermediate transfer belt in an intermediate transfer-type electrophotographic image forming method includes solid lubricant particles that are inorganic compound particles having an average size of 120 nm or less and a binder disposed on surfaces of the solid lubricant particles. The content of the binder is 0.01% by mass or more and 20.00% by mass or less of the amount of the lubricant composition.
C10M 103/00 - Lubricating compositions characterised by the base-material being an inorganic material
C10M 145/04 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an alcohol, aldehydo, ketonic, ether, ketal or acetal radical
C10N 20/00 - Specified physical properties of component of lubricating compositions
G03G 15/16 - Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern
An image forming apparatus includes an electrophotographic photoreceptor, a charging device that charges a surface of the electrophotographic photoreceptor, an electrostatic charge image creating device that creates an electrostatic charge image on the charged surface of the electrophotographic photoreceptor, a developing device that houses an electrostatic charge image developer containing toner and develops the electrostatic charge image created on the surface of the electrophotographic photoreceptor into a toner image by supplying the electrostatic charge image developer, an intermediate transfer body having a surface onto which the toner image is transferred, a first transfer device that transfers the toner image formed on the surface of the electrophotographic photoreceptor to the surface of the intermediate transfer body, a second transfer device that transfers the toner image on the surface of the intermediate transfer body to a surface of recording paper, a fixing device that fixes the toner image onto the surface of the recording paper, a first heating device that heats the toner image transferred to the surface of the intermediate transfer body before the second transfer device transfers the toner image to the surface of the recording paper, and a second heating device that heats the recording paper before the second transfer device transfers the toner image to the surface of the recording paper.
G03G 15/16 - Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern
An information processing system includes at least one processor configured to, when an image forming apparatus accepts a new job after accepting a job, sets execution timing of the new job to be before completion of a previous job, which is accepted previously, in a case where a sum of a first waiting time from a predicted arrival time of a previous user who has given an instruction for the previous job at the image forming apparatus to the completion of the previous job and a second waiting time from a predicted arrival time of a new user who has given an instruction for the new job at the image forming apparatus to completion of the new job is shorter than the sum in a case where the new job is started after the completion of the previous job.
An image forming system includes a body portion including an image forming section that forms an image on a medium; an image input section that inputs an image and is provided on an upper side of the body portion in an up-down direction; a reading section that reads information stored in a storage medium and is provided in an inclined portion that straddles the body portion and the image input section and is inclined with a rising gradient from a front side that corresponds to a front surface of the body portion toward a rear side; and an operation section that receives an operation by an operator, is disposed at a position adjacent to the reading section with an operation surface disposed along an outer side surface of the reading section, and has a color similar to a color of the outer side surface of the reading section.
An information processing system includes a processor configured to: in a case where list display of a file and a folder stored in an identical hierarchy is executed, select a file that is representative of the folder as a representative file from among files stored in the folder; and display, along with the list display, attribute information on the selected representative file in association with the folder.
An information processing system includes a processor configured to: display a first content in a first window displayed on a display; in response to a user operation during a period in which the first content is displayed in the first window, display a second window corresponding to the user operation; in a case where the first content displayed in the first window is switched to another content, hide the second window and display the other content in the first window; and in a case where the display of the first window is returned to the first content, display the second window, which is displayed in response to the user operation in the first window in which the first content is displayed, in a state before the second window is hidden.
G06F 3/0481 - Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
G06F 3/0484 - Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
14.
BELT SUPPORTING ROLL, AND BELT ROTATING DEVICE AND PROCESSING SYSTEM INCLUDING BELT SUPPORTING ROLL
A belt supporting roll configured to support an endless belt while allowing the belt to rotate includes: a roll body around which the belt is to be wrapped; a holding component extending in an axial direction of the roll body and holding two ends of the roll body while allowing the roll body to rotate; and a supporting component provided at a lengthwise central part of the holding component and supporting the roll body and the holding component while being movable. The supporting component has a range of motion containing a first directional component and a second directional component. The first directional component intersects a bisector of a central angle of an angular range by which the belt is to be wrapped around the roll body. The second directional component is parallel to the bisector.
B65G 39/20 - Arrangements of rollers attached to moving belts or chains
B65G 39/16 - Arrangements of rollers mounted on framework for aligning belts or chains
B65G 43/04 - Control devices, e.g. for safety, warning or fault-correcting detecting slip between driving element and load- carrier, e.g. for interrupting the drive
15.
HEATING DEVICE AND HEAT TREATMENT SYSTEM USING THE SAME
A heating device includes a belt-shaped heated unit that rotates in a circulating manner, a heat generation unit that is provided in contact with a back surface side of the heated unit, and extends in an intersection direction intersecting with a rotation direction of the heated unit to heat the heated unit, a pressurization unit that brings the heated unit and the heat generation unit into contact with each other in a pressurized state to form a contact region being in contact with the heated unit and extending in a longitudinal direction of the heat generation unit, and a pressurization adjustment unit that adjusts the pressurized state by the pressurization unit so that a width in a lateral direction of the contact region changes, in which the heat generation unit includes plural heat generation resistors extending in the longitudinal direction, a high heat generation portion being narrow and having a high heat generation amount and a low heat generation portion being wide and having a low heat generation amount are formed in a row in the plural heat generation resistors, and for at least two heat generation resistors among the plural heat generation resistors, the high heat generation portions are formed in different regions in the longitudinal direction of the contact region, and in a case where a minimum contact region having a minimum width in the lateral direction of the contact region is formed by the pressurization unit, for the at least two heat generation resistors, an entire high heat generation portion is included in a range of the minimum contact region, a part of the low heat generation portion is included in the range of the minimum contact region, and a remaining part of the low heat generation portion is outside the range of the minimum contact region.
An image forming apparatus is enabled to perform a first operation that forms an image with a first developer of one color transported by a first transport unit and held by a first developer holder that is rotating and a second operation that forms an image with a second developer of another color transported by a second transport unit and held by a second developer holder that is rotating. In the first operation, a rotational speed of the first developer holder and a rotational speed of the second developer holder are a first rotational speed and a transport speed of the first developer transported by the first transport unit and a transport speed of the second developer transported by the second transport unit are a first transport speed, and in the second operation, the rotational speed of the first developer holder and the rotational speed of the second developer holder are a second rotational speed lower than the first rotational speed, the transport speed of the first developer transported by the first transport unit is a second transport speed lower than the first transport speed and the transport speed of the second developer transported by the second transport unit is higher than the second transport speed.
A fixing device that heats and pressurizes a medium on which an unfixed image is held to fix the unfixed image includes a heating fixing part that includes a heating source, a belt-like transport fixing part that is stretched and rotatably provided around the heating fixing part and is in contact with an image surface of the medium to transport the medium, a pressure fixing part that is disposed to face the heating fixing part with the transport fixing part interposed therebetween and is pressurized to form a fixing region between the heating fixing part and the pressure fixing part, a drive unit that drives the transport fixing part to rotate the transport fixing part with a driving force generated from a drive source, and an operation unit that is operated to manually rotate the transport fixing part in a state where the drive unit is not used.
A fixing device heats and pressurizes a medium on which an unfixed image is held and then cools the medium to fix the unfixed image, and includes a heating fixing part that includes a heating source, a belt-like transport fixing part that is stretched and circulatably provided around the heating fixing part and is in contact with an image surface of the medium to transport the medium, a pressure fixing part that is disposed to face the heating fixing part with the transport fixing part interposed therebetween and is pressurized to form a fixing region between the heating fixing part and the pressure fixing part, a cooling unit that is provided in contact with a back of a medium transport region of the transport fixing part on the transport fixing part on a downstream side of the fixing region in a transport direction of the medium and cools the transport fixing part, and a switching unit that switches the transport fixing part and the cooling unit to a contact state or a non-contact state depending on a state where the medium passes through a cooling region of the cooling unit.
A recording-medium container device includes: a container that contains a recording-medium bundle in which multiple recording media are stacked; a blower that blows air onto the recording-medium bundle contained in the container; multiple light sources that radiate light beams having different wavelengths simultaneously onto at least one of the recording media separated from the recording-medium bundle by the air blown by the blower; and an image capturing unit that performs image-capturing of the at least one recording medium irradiated with the light beams from the multiple light sources, so as to acquire multiple captured images corresponding to the wavelengths of the light beams radiated from the light sources.
An information processing system includes a processor configured to: display product manufacturing information for only a representative one of plural features of a same shape included in a three-dimensional model represented by three-dimensional drawing data; and switch, if a preset condition is satisfied, between display of the product manufacturing information for only the representative one of the plural features and individual display of the product manufacturing information for each of the features.
An image forming apparatus includes a first image former that, after charging a first image holder, forms an image on the first image holder by attaching a developer onto the first image holder; a second image former that, after charging a second image holder, forms an image on the second image holder by attaching a developer onto the second image holder; and a processor that is configured to set, in accordance with information on at least one of the developer used on the first image former and the developer used on the second image former, a first charging condition of the first image former including a first frequency of the first image former and is configured to set a second charging condition serving as a charging condition of the second image former and including a second frequency different from the first frequency.
G03G 15/05 - Apparatus for electrographic processes using a charge pattern for imagewise charging, e.g. photoconductive control screen, optically activated charging means
G03G 15/06 - Apparatus for electrographic processes using a charge pattern for developing
A determination device includes a processor that is used for determining first paper on which a coating process for suppressing gloss of a surface of paper is performed and second paper on which the coating process for suppressing the gloss of the surface of the paper is not performed, a light source that irradiates the surface of the paper with light, a first light detector that detects the light reflected on the surface of the paper, and a second light detector that is provided at a position different from the first light detector and detects diffusely reflected light of the light reflected on the surface of the paper, in which the first light detector is located in a direction shifted by a certain angle with respect to a specular reflection direction of the light reflected on the surface of the paper, and the processor is configured to: acquire a light amount ratio that is a ratio of an amount of the light detected by the first light detector to an amount of the light detected by the second light detector; and determine whether the paper is the first paper or the second paper according to a relationship between the light amount ratio and a predetermined threshold value.
An information processing system includes at least one processor configured to: cause a storage device to retain weight values for each of one or more evaluation items related to image quality; obtain image data to be evaluated; evaluate the image data for each of the evaluation items based on evaluation criteria for each of the evaluation items; and evaluate the image quality of an image pertaining to the image data on a basis of evaluation results of the evaluation for each of the evaluation items and the corresponding weight values retained in the storage device for each of the evaluation items.
G06V 10/98 - Detection or correction of errors, e.g. by rescanning the pattern or by human interventionEvaluation of the quality of the acquired patterns
A developing device includes: an image carrier unit including an image carrier; a developing unit including a developer holder that supplies developer to the image carrier on which an electrostatic latent image is formed; a support unit that supports the developing unit such that the developing unit is movable back and forth toward and away from the image carrier unit; a first positioning unit provided on an end portion of the support unit, the end portion being adjacent to the image carrier unit, the first positioning unit positioning the developing unit; and a second positioning unit that positions the developing unit with a predetermined gap provided between the developer holder and the image carrier when the developing unit is positioned by the first positioning unit and leans toward the image carrier unit.
A fixing device includes: a fixing unit that fixes an image on a medium; a guide unit that guides the medium, the guide unit being disposed downstream of the fixing unit in a transport direction of the medium; and a cleaner entrance portion through which a cleaning unit enters a gap between the fixing unit and the guide unit, the cleaner entrance portion being provided corresponding to the gap.
A determination device includes a processor that is used for determining first paper having a surface on which an embossing process is performed and second paper having a surface on which the embossing process is not performed, a light source that irradiates a surface of paper with light, a light detector that receives the light transmitted through the paper and that detects a light transmittance, an ultrasonic transmitter that transmits an ultrasonic wave to the surface of the paper, and an ultrasonic receiver that receives the ultrasonic wave transmitted through the paper and that detects an ultrasonic transmittance, in which the processor is configured to: use an index that is stored in advance in a storage device and that indicates a correlation between the light transmittance and the ultrasonic transmittance in the second paper, and determine whether or not the paper is the first paper or the second paper according to whether or not the light transmittance and the ultrasonic transmittance, which are detected from the paper, are apart from the index by a predetermined threshold value or more.
G01N 29/22 - Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic wavesVisualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object Details
G01N 29/44 - Processing the detected response signal
A fixing device includes: a fixing unit that fixes an image on a surface of a medium by pressing the image while heating the image, the fixing unit including a base layer and a surface layer that is composed of a tube having a crease and covering the base layer and of which a coefficient of thermal expansion is different from a coefficient of thermal expansion of the base layer; and a controlling unit that controls the fixing unit, the controlling unit executing a crease removal operation of smoothing out the crease before a start of a fixing operation in a case where the fixing operation is started and a predetermined condition under which the crease deteriorates is satisfied.
An image forming apparatus includes: an image holding member that moves while holding an image to be transferred to a recording medium; a cleaning member that moves in contact with the image holding member to clean the image holding member; a conveyance member that conveys powder removed from the image holding member by the cleaning member; and a processor configured to perform control to cause conveyance of powder by the conveyance member to be performed in a state where the image holding member is stopped or in a state where a moving speed of the image holding member is reduced.
A developing unit includes: a developer holding member that holds developer to be supplied to an image carrier on which an electrostatic latent image is formed, the developer containing toner and carrier, and that includes at least one developer attracting magnet; a covering member that covers a part of the developer holding member; and a film that is attached to the covering member at ends and an intermediate position of the film in a circumferential direction of the developer holding member so as to be in contact with the developer held on the developer holding member.
A developing device includes a developer carrier configured to rotate while carrying a magnetic developer on a surface of the developer carrier by a magnetic force, and a facing component that faces the developer carrier, is disposed at a position where the facing component frictionally slides against the developer moving along with rotation of the developer carrier, and is made of a material having the same polarity as the developer in terms of chargeability.
G03G 15/09 - Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
A developing device includes a developer holder that holds a developer containing toner and carrier and being supplied to an image holder forming an electrostatic latent image; and a conveyance section that agitates and conveys the developer flowing in from an inlet using a rotation member to cause the developer to flow out toward the developer holder at an outlet, that includes, as a part constituting a portion of the rotation member, a first blade part for conveyance to the outlet and a second blade part for conveyance in a direction opposite to the outlet, and in which a greater amount of the developer flows in from the inlet than the developer flows out from the outlet.
A medium loading system includes: a supplier that causes multiple loaded recording media to levitate and be separated from each other by supplying air to the recording media from an edge of the recording media; an image capturing unit that captures an image of the recording media from the edge of the multiple recording media supplied with the air from the supplier; an image capturing target other than the recording media, the image capturing target being a target to be image-captured by the image capturing unit; and a processor configured to detect an abnormality in the image capturing unit in accordance with a change between multiple captured images of the image capturing target captured by the image capturing unit.
B65H 3/08 - Separating articles from piles using pneumatic force
B65H 7/06 - Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed
G03G 15/00 - Apparatus for electrographic processes using a charge pattern
A fixing device includes: a fixing belt that is heated by a heat source and rotates; a pressing roller that forms a nip part at a spot where the pressing roller is in contact with the fixing belt, the pressing roller rotating; and a load adjustment mechanism that obtains a belt temperature of the fixing belt and adjusts a load at the nip part according to a state of the belt temperature relative to a predetermined temperature.
A developing device includes developer holder that supplies developer to an image carrier on which an electrostatic latent image is formed; a removing member that removes the developer that has not been supplied to the image carrier and remains on the developer holder; a transport unit that includes a helical rotating body, the transport unit rotating the rotating body to transport the developer and supply the developer to the developer holder; an accommodating unit that accommodates the developer holder, the removing member, and the transport unit; and a drive mechanism that operates the developer holder and the transport unit together in a first operation mode for image formation and operates the developer holder and the transport unit individually in a second operation mode for cleaning an inside of the accommodating unit by removing the developer.
An image forming apparatus includes: a transfer cylinder that sandwiches a transported recording medium while rotating and that transfers an image onto the recording medium, the recording medium being sandwiched between the transfer cylinder and a transfer member onto which the image is transferred; a heating roll that is disposed downstream of the transfer cylinder in a transport direction of the recording medium and that heats the transported recording medium while rotating; a pressing cylinder that is disposed to face the heating roll, that rotates in synchronization with rotation of the transfer cylinder, and that presses the transported recording medium toward the heating roll; an approach and separation mechanism that includes a cam member that rotates together with the pressing cylinder and a cam follower that is connected to the heating roll and that is pressed against a cam surface of the cam member, the approach and separation mechanism causing the heating roll to approach the pressing cylinder and to be separated from the pressing cylinder; and a suppression unit that suppresses load torque that acts on the pressing cylinder since the approach and separation mechanism causes the heating roll to approach the pressing cylinder and to be separated from the pressing cylinder.
G03G 15/20 - Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
G03G 15/00 - Apparatus for electrographic processes using a charge pattern
36.
SYNCHRONIZATION ADMINISTRATION SYSTEM, INFORMATION PROCESSING DEVICE, ADMINISTRATIVE SERVER, NON-TRANSITORY COMPUTER READABLE MEDIUM STORING SYNCHRONIZATION ADMINISTRATION PROGRAM, NON-TRANSITORY COMPUTER READABLE MEDIUM STORING SYNCHRONIZATION PROGRAM FOR INFORMATION PROCESSING DEVICE, AND NON-TRANSITORY COMPUTER READABLE MEDIUM STORING SYNCHRONIZATION PROGRAM FOR ADMINISTRATIVE SERVER
A synchronization administration system includes: one or more first processors configured to: in a case where there is uncreated post-synchronous data that is unable to be provided to an information processing device from an administrative server at a first synchronization request timing at which the information processing device requests the administrative server to provide synchronous data, provide a synchronization necessity notification, which indicates that synchronization processing is necessary after the first synchronization request timing, from the administrative server to the information processing device; and provide the created post-synchronous data from the administrative server to the information processing device.
An image forming apparatus includes: a photoconductor; at least one holding member including a handhold and rotatably holding a shaft of the photoconductor; and a receiving member disposed at an apparatus body to allow the at least one holding member to be attachable thereto and removable therefrom.
An image forming apparatus includes: an image forming unit that forms an unfixed image on a sheet; and a fixing device that fixes the unfixed image on the sheet, the fixing device including a fixing belt, multiple holding members that hold the fixing belt so as to allow the fixing belt to run, a pressing roller that presses the fixing belt from an outer circumferential surface side against one of the holding members to form a fixing processing part, a heater that heats the fixing belt, and a load adjustment mechanism that adjusts a load applied to the pressing roller and applies a fixing load to the pressing roller during a fixing operation. At least at the end of the fixing operation of the fixing device, the load adjustment mechanism applies, as necessary, a low load that is lower than the fixing load to the pressing roller.
An electrophotographic photoreceptor includes a conductive substrate, an undercoat layer provided on the conductive substrate and containing a binder resin and an electron transport material represented by General Formula (P), and a photosensitive layer provided on the undercoat layer,
An electrophotographic photoreceptor includes a conductive substrate, an undercoat layer provided on the conductive substrate and containing a binder resin and an electron transport material represented by General Formula (P), and a photosensitive layer provided on the undercoat layer,
in General Formula (P), R1, R2, R3, R4, R5, R6, R7, and R8 each independently represent a hydrogen atom, an alkyl group, an alkoxy group, an aralkyl group, an aryl group, an alkoxycarbonyl group, or a halogen atom.
G03G 5/06 - Photoconductive layersCharge-generation layers or charge-transporting layersAdditives thereforBinders therefor characterised by the photoconductive material being organic
G03G 5/05 - Organic bonding materialsMethods for coating a substrate with a photoconductive layerInert supplements for use in photoconductive layers
G03G 7/00 - Selection of materials for use in image-receiving members, i.e. for reversal by physical contactManufacture thereof
G03G 15/02 - Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitisingCorona discharge devices
G03G 21/18 - Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge
An image forming apparatus includes: a formation body on which a latent image is developed so that an image is formed; a transfer belt with an outer peripheral surface onto which the image formed on the formation body is transferred, the transfer belt having an annular shape; a driving roll around which the transfer belt is wound and that causes the transfer belt to revolve; a transfer body that transfers, at a transfer region between the transfer body and the transfer belt, the image from the transfer belt to a recording medium while transporting the recording medium; a drive mechanism that rotationally drives the transfer body; a detection unit that detects a predetermined rotation position of the transfer body; a writing unit that writes the latent image on the formation body based on a detection timing at which the detection unit detects the rotation position; and a speed adjustment mechanism that adjusts a rotation speed of the transfer body rotated by the drive mechanism each time the transfer body makes one rotation, that switches between a first adjustment pattern and a second adjustment pattern in which a speed profile is different from the first adjustment pattern each time the transfer body makes one rotation, and that synchronizes a switching timing, at which switching between the adjustment patterns is performed, with the detection timing.
An electrophotographic photoreceptor includes a conductive substrate, an undercoat layer that is provided on the conductive substrate, and a photosensitive layer provided on the undercoat layer, in which the undercoat layer contains a binder resin and an electron transport material having a crystal density of 1.62 g/cm3 or greater, and a full width at half maximum (FWHM) of a maximum intensity peak in an X-ray diffraction spectrum measured in a thickness direction is 5.0 or less.
A medium feeding device includes: a supplier that causes multiple loaded recording media to levitate and be separated from each other by supplying air to the recording media from an edge of the recording media; a feeding unit that feeds, in a feeding direction, an uppermost one of the recording media separated by the supplier; a contact section that comes into contact with a lateral edge of the multiple recording media from a lateral side of the multiple recording media; a projection unit that is provided at the contact section and onto which an image of the lateral edge of the multiple recording media is projected in the feeding direction; and an image capturing unit that is disposed in the feeding direction relative to the multiple recording media and that captures the image projected on the projection unit in a state where the multiple recording media are supplied with the air from the supplier.
A fixing device includes: an endless belt; a fixing section that forms a fixing nip by being in contact with the belt; and a pressing section that is disposed inside of the belt, has a shape following an outer peripheral shape of the fixing section, includes a holding portion that holds an elastic member, and presses the belt against the fixing section. The elastic member has a shape along the holding portion due to deformation in a state of not being pressed against the fixing section.
An image log management system includes plural devices that each store a blockchain including a block having transaction information including image logs that are image data indicating process target data, and are communicably connected to each other, and a processor, in which the processor is configured to generate new transaction information including image logs of a resolution decided based on a frequency of addition of plural latest blocks added to the blockchain, and transmit the new transaction information to the plural devices and add a block having the new transaction information to the blockchain.
An image reading device includes a transport section that transports a recording medium along a transport path, an image reading section that is provided on one side of the transport path and reads an image formed on the recording medium transported through the transport path, a rotary body that is rotatably provided and is provided on a side opposite to an installation side of the image reading section across the transport path, and a protruding portion that is provided at least at one end portion out of one end portion and the other end portion of the rotary body in an axial direction and protrudes from the rotary body toward the image reading section side.
An image forming apparatus includes an apparatus body, and multiple receiving portions that receive multiple attachable bodies to each of which a removable member is attachable. A first one of the multiple attachable bodies attached to the apparatus body is allowed to be attached to a corresponding one of the receiving portions while the removable member is attached to the first attachable body, and a second one of the multiple attachable bodies is prevented from being attached to a corresponding one of the receiving portions while the removable member is attached to the second attachable body.
An image forming apparatus includes an image forming unit that transfers a toner image onto a recording medium, the toner image being formed on an image carrier by an electrophotographic system; and one or more processors that control an operation of the image forming unit, and that are configured to: when causing the image forming unit to perform multiple operations under different conditions of charging and exposure to light, cause the image forming unit to perform later an operation with charging and exposure to light, the operations including at least the operation with charging and exposure to light and an operation without charging nor exposure to light, the operation with charging and exposure to light being an operation in which a toner image is formed with the image carrier having been subjected to charging and exposure to light, the operation without charging nor exposure to light being an operation in which a toner image is formed with the image carrier having been subjected to neither charging nor exposure to light.
An information processing system includes a processor and a sensor device, in which the sensor device irradiates target paper with light and detects light in an absorption band that is transmitted through the paper and caused by an expansion and contraction motion of H—O—H, and the processor is configured to: calculate absorption information indicating an absorption amount in the absorption band by the paper on the basis of a detection result by the sensor device; and calculate an expansion and contraction ratio of the paper corresponding to the calculated absorption information using a prediction model that predicts the expansion and contraction ratio of the paper from the absorption information of the absorption band in the paper.
An information processing system includes at least one processor configured to: obtain image data to be diagnosed; evaluate the image data on the basis of evaluation criteria for each of one or more evaluation items related to image quality; and allow an evaluation method based on the evaluation criteria to be changed according to an evaluation result in the evaluation of each of the evaluation items.
G16H 30/40 - ICT specially adapted for the handling or processing of medical images for processing medical images, e.g. editing
G16H 30/20 - ICT specially adapted for the handling or processing of medical images for handling medical images, e.g. DICOM, HL7 or PACS
G16H 50/20 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for computer-aided diagnosis, e.g. based on medical expert systems
50.
MEDIUM STACKING DEVICE AND IMAGE FORMING APPARATUS
A medium stacking device includes a supply unit configured to supply air to a plurality of stacked recording media from an edge side of the recording media to make the recording media float and separated, an image capturing unit configured to capture an image of the plurality of recording media to which air is supplied by the supply unit from the edge side, a moving unit configured to move in response to a moving operation by a user, and a cleaning unit configured to clean the image capturing unit in conjunction with the movement of the moving unit.
A developing apparatus includes a developer holder that supplies a developer to an image holder on which an electrostatic latent image is formed; a regulation member that regulates an amount of the developer held by the developer holder; a shielding member that covers a part of the developer holder and the regulation member; and a suction portion that has, in a covering region covered by the shielding member of the developer holder, a first flow path allowing air to flow in from a first inlet provided on a downstream side of a movement of the developer holder, and a second flow path allowing air to flow in from a second inlet provided on an upstream side of the movement of the developer holder, and that sucks the air via the first flow path and the second flow path.
An electronic document management system includes plural devices that each store a distributed ledger and are communicably connected to each other, and a transaction generation device that includes a first processor and generates a transaction recorded in the distributed ledger, in which the first processor is configured to generate a document generation transaction in a case where an electronic document is generated and stored in a document management server, the document generation transaction including a document ID for uniquely identifying the electronic document, a transaction ID for uniquely identifying the document generation transaction, and information indicating that the document generation transaction is the document generation transaction, transmit the document generation transaction to the plural devices and record the document generation transaction in the distributed ledger, generate a usage permission transaction in response to a usage permission instruction for permitting a usage user to use the electronic document stored in the document management server, the usage permission transaction including the document ID of the electronic document, a transaction ID for uniquely identifying the usage permission transaction, a usage user ID for uniquely identifying the usage user, a usage permission time at which the usage permission instruction is received, and a parent transaction ID for uniquely identifying a parent transaction that is a transaction related to another process executed on the electronic document related to the usage permission instruction immediately before the usage permission instruction, and transmit the usage permission transaction to the plural devices and record the usage permission transaction in the distributed ledger.
An image reading system includes a reading section that is provided in a conveyance path for conveying a document and that reads an image from the document conveyed through the conveyance path; a rotating member that is disposed opposite to the reading section across the conveyance path and rotates with a main scanning direction of the reading section as an axial direction; a flat white reference surface that is provided on an outer periphery of the rotating member and from which white reference data is read by the reading section; reference markers that are provided on both end sides of the white reference surface in the axial direction and are read by the reading section; and a processor that, in a case where rotation positions of the rotating member when the respective reference markers are read are different, sets a reading reference position of the white reference data between the read rotation positions of the rotating member and controls the reading section to perform reading at a position based on the reading reference position.
An image processing system includes an imaging unit, and a processor, in which the processor is configured to display a captured image of an original document captured by the imaging unit in a case where a reading attribute set by a user in a case where a read image of the original document is generated, and an attribute value of the reading attribute are designated, acquire a position on the captured image designated by the user, generate a preview image of the original document in accordance with the designated attribute value by using a partial region on the original document including the acquired position as a generation range, and display the preview image in an enlarged manner.
An image forming apparatus includes: an image forming unit that transfers a toner image onto a recording medium, the toner image being formed on an image carrier by an electrophotographic system; and one or more processors that control an operation of the image forming unit, and that are configured to: perform multiple operations under different conditions about charging and exposure to light in predetermined order, the operations including at least an operation of forming a toner image on the recording medium with the image carrier having been subjected to charging and exposure to light and an operation of forming a toner image on the recording medium with the image carrier having been subjected to no exposure to light and optionally to charging; and control the image forming unit to form margins of different forms, the margins being formed on pieces of the recording medium in the respective operations performed under the different conditions.
G03G 15/00 - Apparatus for electrographic processes using a charge pattern
G03G 15/02 - Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitisingCorona discharge devices
G03G 15/043 - Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for controlling illumination or exposure
56.
RECORDING MEDIUM PROCESSING APPARATUS, IMAGE FORMING SYSTEM, AND NON-TRANSITORY COMPUTER READABLE MEDIUM
A recording medium processing apparatus includes a pair of first conveyance units provided at an interval in a width direction of a recording medium to be conveyed, each of the first conveyance units pinching and conveying the recording medium; a cutting member that cuts the recording medium being conveyed by the first conveyance units along a conveyance direction of the recording medium; and a second conveyance unit provided between the pair of first conveyance units in the width direction and inside the cutting member, the second conveyance unit pinching the recording medium and conveying the recording medium, together with the pair of first conveyance units, at a conveyance speed of the recording medium lower than each of the pair of first conveyance units.
A heating device includes a resistance heating element that includes an electrode portion to which electric power is supplied and is rotatable, a connector that is attached to the resistance heating element, includes a contact terminal rotatable together with the resistance heating element, and supplies electric power to the resistance heating element through the contact terminal, and a pressing structure that presses the contact terminal against the electrode portion after the connector is attached to the resistance heating element.
A gas supply apparatus includes a feed portion that feeds gas, a first flow path through which the gas fed by the feed portion flows, a to-be-supplied portion disposed on the first flow path and to which the gas is supplied, a second flow path through which the gas fed by the feed portion flows, a branch flow path branching off from the second flow path toward the to-be-supplied portion, and a guide portion disposed at a branch portion where the branch flow path branches off from the second flow path to guide, to the branch flow path, a part of the gas that has flowed from the feed portion through the second flow path and that has arrived at the branch portion.
An information processing system includes a processor configured to perform a process including: obtaining a first measurement of a shaped article manufactured under a first condition for a three-dimensional model serving as a basis and a second measurement of the shaped article manufactured under a second condition for the three-dimensional model; and displaying an object representing a comparison result of comparing the first measurement and the second measurement at a corresponding position on the three-dimensional model of the shaped article.
An image forming apparatus includes: a collection container configured to receive waste powder discharged from an image forming unit and store the waste powder; a conveying portion that is 7swingably supported in a cantilevered manner in the collection container and is inclined according to a height of the waste powder deposited in the collection container to convey the waste powder; and an output unit configured to output collection amount information that is information on an amount of the waste powder stored in the collection container based on a position of the conveying portion in the collection container.
A fixing device includes a heating rotary body, a pressing unit that presses a recording medium against the heating rotary body at a fixation region, a backward rotation unit that rotates the heating rotary body in a direction opposite to a direction of rotation at a time of fixation in a case where the recording medium is wound around the heating rotary body, and a peeling unit that is brought relatively close to an outer peripheral surface of the heating rotary body at a position upstream of the fixation region in a transport direction of the recording medium and that peels off the recording medium wound around the heating rotary body at a time of backward rotation of the heating rotary body.
A fixing device includes: a fixing member to be used in fixing an image on a recording medium; a rotatable member pressed against the fixing member while being allowed to rotate, the rotatable member cooperating with the fixing member in such a manner as to form a pressurization part where the recording medium is to be pressurized; and a transmission unit configured to transmit a rotational driving force to the rotatable member. The rotatable member is movable in a toward-and-away direction relative to the fixing member. The toward-and-away direction of the rotatable member is different from a direction in which the driving force transmitted by the transmission unit acts.
A fixing device includes a fixing member to be used in fixing an image on a recording medium; a rotatable member pressed against the fixing member while being allowed to rotate, the rotatable member cooperating with the fixing member in such a manner as to form a pressurization part where the recording medium is to be pressurized; a rotating component configured to rotate the rotatable member by inputting a driving force to a position apart from an axis of the rotatable member; and an urging component configured to urge at least one end of the rotatable member in such a manner as to move the one end in an approaching direction or a retracting direction relative to the fixing member.
An image forming apparatus includes: a moving portion that moves in one direction; an inclined surface that is disposed in a state of being inclined with respect to the one direction, has one end located on a side close to the moving portion and another end located on a side farther from the moving portion than the one end, and extends in a direction from the other end toward the one end; a cleaning member that is supported by the inclined surface, cleans the moving portion, and can change a disposition position in a normal extension direction, which is a direction in which a normal to the inclined surface extends; and a positioning portion that is used for positioning the cleaning member in a surface extension direction, which is the direction from the other end toward the one end, such that a disposition position of the cleaning member in the surface extension direction moves to a downstream side in the surface extension direction in response to a disposition position of the cleaning member being changed to a downstream side in the normal extension direction.
A transfer device includes: a transfer member that is formed in an endless band-like shape and to which a toner image is transferred; a transfer cylinder that includes a cylinder body having an outer peripheral surface at which a recess portion extending in an axial direction is formed and a transfer jacket that is wound around the outer peripheral surface such that both end portions of the transfer jacket are disposed outside the recess portion; and a transfer roll that extends in the axial direction, that transfers the toner image to a recording medium wound around the transfer cylinder while sandwiching the transfer member together with the transfer jacket, and that repeats collision and separation with respect to the transfer jacket as the transfer roll passes through the recess portion, in which at least one end portion out of both end portions of the transfer jacket includes an edge that is not parallel to an axis of the transfer roll.
G03G 15/16 - Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern
A transfer system includes: a transfer belt that has an endless shape and onto which images held by a plurality of image holding bodies are sequentially transferred; a winding roll around which the transfer belt is wound and that rotates by being driven by the transfer belt revolving; a driving roll around which the transfer belt is wound, that is disposed downstream of the winding roll in a revolution direction of the transfer belt and upstream of a portion of the transfer belt onto which the image is transferred, and that applies a drive force to the transfer belt to cause the transfer belt to revolve; a transfer cylinder that is disposed on a side opposite to the winding roll with the transfer belt interposed therebetween and that transfers, to a recording medium transported, the image on the transfer belt while being rotationally driven; and a braking unit that is disposed downstream of the winding roll in the revolution direction of the transfer belt and upstream of the driving roll and that comes into contact with an inner surface of the transfer belt revolving so that a braking force is applied to the transfer belt.
G03G 15/00 - Apparatus for electrographic processes using a charge pattern
G03G 15/16 - Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern
67.
RECORDING MEDIUM PROCESSING APPARATUS AND IMAGE FORMING SYSTEM
A recording medium processing apparatus includes a rotator that rotates a recording medium transported thereto about a normal to a surface of the recording medium.
A developing device includes a developer holder that holds a developer containing toner and carrier and being supplied to an image holder forming an electrostatic latent image; a first member that is provided on a downstream side of a developing position that is a position where the developer held by the developer holder is supplied to the image holder; and a second member that is provided between the developer holder, the image holder, and the first member, that has a surface facing the developer holder, and to which an intermediate potential as a potential between a potential applied to the developer holder and a potential applied to the first member is applied.
G03G 15/09 - Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
69.
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, METHOD OF PRODUCING ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
An electrophotographic photoreceptor includes a conductive substrate, an undercoat layer disposed on the conductive substrate, and a photosensitive layer disposed on the undercoat layer, in which an integrated value of an intensity in a period range of 0.01 mm or greater and 0.1 mm or less in a power spectrum obtained by performing fast Fourier transform on a roughness curve of an outer peripheral surface of the conductive substrate in an axial direction is 0.02 or greater and 0.10 or less, and the undercoat layer has a layer thickness of 10 μm or greater.
An information processing system includes: one or a plural processors; and one or a plural recording units that record attribute data associated with actual data generated by an apparatus that communicates with the processor, in which the processor is configured to transmit the attribute data recorded in the recording unit to an external apparatus; and make the actual data available to the external apparatus in a case where the attribute data is requested from the external apparatus.
An information processing system including a physical apparatus, a service apparatus that performs a service for updating an application program installed on the physical apparatus, and a virtual apparatus that is a virtual apparatus of the physical apparatus and that stores metadata including information indicating a version number of the application program installed on the physical apparatus, includes one or plural processors configured to cause the service apparatus to, in a case of transmitting the application program after the update to the physical apparatus specified as an apparatus as an update target for the application program by referring to the metadata, transmit request information for requesting transmission of the application program to the physical apparatus, to the virtual apparatus, cause the virtual apparatus to, in a case where the request information is received from the service apparatus, transmit the application program after the update or instruction information for providing an instruction to receive the application program from the service apparatus, to the corresponding physical apparatus, and cause the physical apparatus to, in a case where the application program or the instruction information is received from the virtual apparatus, execute processing of updating the application program.
A developing apparatus includes a developer holder that holds a developer; an accommodation portion that accommodates the developer to be supplied to the developer holder; a rotation shaft rotatably provided inside the accommodation portion; a first conveyance portion that is provided on the rotation shaft and conveys the developer in a direction intersecting an axial direction of the rotation shaft; a second conveyance portion that is provided on the rotation shaft and conveys the developer in the axial direction; a discharge port that is provided in the accommodation portion and through which a part of the developer is discharged to an outside at a position corresponding to a position where the first conveyance portion is provided in the axial direction; and a pressure adjustment port that is provided in the accommodation portion and through which a pressure of the accommodation portion is adjusted at a position in a rotation direction of the first conveyance portion with respect to the discharge port, the position corresponding to a position where the first conveyance portion is provided in the axial direction.
An image forming apparatus includes an image holding body that is cylindrical, a rotation shaft that rotates the image holding body, a bearing that is provided at both ends of the rotation shaft and includes an outer ring and an inner ring rotatable relative to the outer ring, the inner ring and the rotation shaft inserted in the inner ring rotating integrally, a holding member that is attached to a main body side and holds the outer ring of the bearing, and a pressing section that presses the outer ring of the bearing against the holding member by pressing the outer ring in one direction.
A blockchain control system includes plural devices that each store a blockchain, are communicably connected to each other, and each execute a mining process of adding a new block to the blockchain in cooperation with another device, and a processor, in which each device included in the plural devices outputs process execution/non-execution information indicating whether or not the mining process is executable in the device, and the processor is configured to acquire transaction information that is information included in a block from any of the plural devices, set a mining difficulty that is a difficulty of the mining process regarding the block including the transaction information in accordance with the number of process executable devices that are devices determined that the mining process is executable at a point in time at which the mining process of the block including the transaction information is executed among the plural devices, based on the process execution/non-execution information output by each device, and add the block including the transaction information to the blockchain in a case where a result of the mining process by the process executable device satisfies a condition decided in accordance with the mining difficulty.
An image forming apparatus includes: a transfer belt with an outer peripheral surface onto which an image formed on a formation body is transferred, the transfer belt having an annular shape; a driving roll around which the transfer belt is wound and that causes the transfer belt to revolve; a transfer body that transfers, at a transfer region between the transfer body and the transfer belt, the image from the transfer belt to a recording medium while transporting the recording medium; a drive mechanism that rotationally drives the transfer body; a holding unit that holds the recording medium and that integrally moves with rotational movement of the transfer body so that the recording medium passes through the transfer region; and a speed adjustment mechanism that adjusts a rotation speed of the transfer body rotated by the drive mechanism each time the transfer body makes one rotation, that switches between a first adjustment pattern and a second adjustment pattern different from the first adjustment pattern each time the transfer body makes one rotation, and that synchronizes a switching timing, at which switching between the adjustment patterns is performed, with a holding start timing at which the holding unit starts to hold the recording medium.
G03G 15/00 - Apparatus for electrographic processes using a charge pattern
G03G 15/16 - Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern
A fixing device includes: a fixing belt; plural holding members that hold the fixing belt so that the fixing belt is rotatable; a pressing roller that presses the fixing belt against one of the plural holding members from an outer peripheral surface of the fixing belt so as to form a fixing processing portion; an applicator that applies oil to an inner peripheral surface of the fixing belt; and a first guide member that is provided for at least one holding member of the plural holding members and includes a guiding surface with which a side of the fixing belt is brought into contact, the guiding surface being formed as a slope tilting toward an outer side of a longitudinal direction of the at least one holding member.
A transport device includes: an endless first transporter configured to transport a medium; a second transporter facing the first transporter, and configured to transport the medium while nipping the medium between the first transporter and the second transporter; a first support that supports the first transporter; a second support that supports the first support and is movable relative to the first support; and a separator supported by the second support, and configured to separate the medium from the first transporter.
A recording medium processing apparatus includes an apparatus body; plural transport paths that are provided in the apparatus body and radially extend from a predetermined place and along which a transported recording medium passes; and plural opening and closing members that are openable and closable with respect to the apparatus body and are disposed so that positions thereof in a circumferential direction of the plural transport paths that are arranged radially are different.
An image forming apparatus includes: an image bearing member; a developing device that causes a developer to adhere onto the image bearing member; and a supplying device that supplies the developer to the developing device, the supplying device including an inlet that receives the developer from upstream, an outlet used for discharging the received developer, and an opening that is provided separately from the inlet and the outlet and that allows an inside and an outside of the supplying device to communicate with each other.
A developing device includes a developer container that contains a developer, a developer carrier supported by the developer container and configured to carry the developer on a surface of the developer carrier, a first transporter configured to transport the developer in the developer container, disposed parallel to the developer carrier, and configured to supply the developer to the developer carrier, a second transporter configured to transport the developer in the developer container, disposed parallel to the first transporter, and configured to transport the developer in a direction opposite to a direction of the first transporter, a third transporter configured to transport the developer in the developer container, disposed parallel to the second transporter, and configured to transport the developer released from the developer carrier, a first container that contains the developer to be transported by the first transporter, a second container that contains the developer to be transported by the second transporter, a third container that contains the developer to be transported by the third transporter, a first partition that is disposed between the first container and the second container and separates the first container and the second container, a second partition that is disposed between the second container and the third container and separates the second container and the third container, a first inlet portion disposed on an upstream side of the first partition in a transport direction of the first transporter and configured to cause the developer to flow into the first container from the second container, a second inlet portion disposed on an upstream side of the first partition in a transport direction of the second transporter and configured to cause the developer to flow into the second container from the first container, and a third inlet portion disposed on an upstream side of the second partition in the transport direction of the second transporter and configured to cause the developer to flow into the second container from the third container.
An electrophotographic photoreceptor includes a conductive substrate, a charge generation layer provided on the conductive substrate, a charge transport layer provided on the charge generation layer, and a surface protective layer provided on the charge transport layer, in which the charge transport layer has a film thickness of 8 μm or greater and 25 μm or less, and the surface protective layer is a cured film of a composition, having a film thickness of 10 μm or less and containing a resin (X) that has at least one of a unit represented by Formula (X1) or a unit represented by Formula (X2) and a reactive group-containing charge transport material that contains a reactive group and a charge-transporting skeleton in an identical molecule,
An electrophotographic photoreceptor includes a conductive substrate, a charge generation layer provided on the conductive substrate, a charge transport layer provided on the charge generation layer, and a surface protective layer provided on the charge transport layer, in which the charge transport layer has a film thickness of 8 μm or greater and 25 μm or less, and the surface protective layer is a cured film of a composition, having a film thickness of 10 μm or less and containing a resin (X) that has at least one of a unit represented by Formula (X1) or a unit represented by Formula (X2) and a reactive group-containing charge transport material that contains a reactive group and a charge-transporting skeleton in an identical molecule,
in Formula (X1), R101, R102, and R103 each independently represent a hydrogen atom or an alkyl group having 1 or more and 5 or less carbon atoms, L101 represents a single bond, an alkylene group having 1 or more and 5 or less carbon atoms, —O—, —C(═O)—, —C(═O)O—, an aromatic ring that may have a substituent, or a combination thereof, L102 represents a single bond, an alkylene group having 1 or more and 5 or less carbon atoms, —O—, —C(═O)—, —C(═O)O—, or a combination thereof, R104 and R105 each independently represent an alkyl group having 1 or more and 5 or less carbon atoms, n represents an integer of 0 or greater and 300 or less, R106, R107, and R108 each independently represent an alkyl group having 1 or more and 5 or less carbon atoms or —O—[Si(R109)(R110)O]m—Si(R111)(R112)(R113) R109, R110, R111, R112, and R113 each independently represent an alkyl group having 1 or more and 5 or less carbon atoms, and m represents an integer of 0 or greater and 20 or less,
in Formula (X2), R201, R202, and R203 each independently represent a hydrogen atom or an alkyl group having 1 or more and 5 or less carbon atoms, L201 represents a single bond, an alkylene group having 1 or more and 5 or less carbon atoms, —O—, —C(═O)—, —C(═O)O—, an aromatic ring that may have a substituent, or a combination thereof, L202 represents a single bond, an alkylene group having 1 or more and 5 or less carbon atoms, —O—, —C(═O)—, —C(═O)O—, or a combination thereof, and R204 is an alkyl group having 6 or more and 30 or less carbon atoms.
G03G 15/01 - Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
G03G 15/02 - Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitisingCorona discharge devices
G03G 21/00 - Arrangements not provided for by groups , e.g. cleaning, elimination of residual charge
G03G 21/18 - Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge
82.
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
An electrophotographic photoreceptor includes an outermost layer that contains a charge transport material and a binder resin, in which the binder resin includes a polyester resin PA having an elastic deformation rate XA of 53.0% or greater and a polycarbonate resin PB having an elastic deformation rate XB that is less than the elastic deformation rate XA of the polyester resin PA by a range of 5% or greater and 12% or less.
G03G 5/05 - Organic bonding materialsMethods for coating a substrate with a photoconductive layerInert supplements for use in photoconductive layers
G03G 15/02 - Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitisingCorona discharge devices
83.
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
An electrophotographic photoreceptor includes a conductive substrate, and a photosensitive layer disposed on the conductive substrate, in which an outermost surface layer is a layer containing a charge transport material and a binder resin and having a breaking energy of 10 mJ/mm3 or greater, and an outer peripheral surface has a dynamic friction coefficient of 0.5 or greater and 1.0 or less.
G03G 5/05 - Organic bonding materialsMethods for coating a substrate with a photoconductive layerInert supplements for use in photoconductive layers
G03G 15/02 - Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitisingCorona discharge devices
G03G 21/00 - Arrangements not provided for by groups , e.g. cleaning, elimination of residual charge
G03G 21/18 - Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge
A developing device includes a developer holder in which a stick region as a region where a developer containing toner and carrier is stuck is set excluding an end portion, and that holds the developer to be supplied to an image holder forming an electrostatic latent image, in the stick region; a magnetic plate that is positioned at the end portion of the developer holder in a second range excluding a first range in a circumferential direction; and magnets that are combined to form a magnetization pattern in the circumferential direction corresponding to the first range.
G03G 15/09 - Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer using magnetic brush
85.
ELECTROPHOTOGRAPHIC PHOTORECEPTOR FOR CONTACT CHARGING WITH DC VOLTAGE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
An electrophotographic photoreceptor for contact charging with a DC voltage, includes a conductive substrate, an undercoat layer provided on the conductive substrate, a charge generation layer provided on the undercoat layer, a charge transport layer provided on the charge generation layer, and a surface protective layer provided on the charge transport layer, in which the surface protective layer is a cured film of a composition containing a reactive charge transport material and contains a hydroxy group and a benzene ring structure, and a value of a peak area of the hydroxy group/a peak area of the benzene ring structure that are measured by an attenuated total reflection method of infrared spectroscopy, is greater than 0.05 and 0.36 or less.
G03G 7/00 - Selection of materials for use in image-receiving members, i.e. for reversal by physical contactManufacture thereof
G03G 15/01 - Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
G03G 15/02 - Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitisingCorona discharge devices
G03G 21/18 - Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge
A fixing device includes a heating member configured to heat a toner image on a front surface of a recording medium; a pressing member having an outer circumferential surface formed with a concave portion into which a gripping portion configured to grip a front end side of the recording medium enters, the pressing member being configured to rotate and press the recording medium together with the heating member; a moving portion configured to cause the heating member and the pressing member to relatively move between a position where the heating member comes into contact with the outer circumferential surface of the pressing member directly or via the recording medium and a position where the heating member moves away from the outer circumferential surface of the pressing member when the concave portion passes; and a switching portion configured to switch, between high and low, a load to be applied to a contact portion between the heating member and the outer circumferential surface of the pressing member in accordance with a type of the recording medium or a selection by a user.
A medium transport device includes: a belt-shaped first transporter configured to come into contact with one surface of a medium, and transport the medium; a belt-shaped second transporter configured to come into contact with the first transporter in an opposed manner, and transport the medium by nipping the medium in a contact area between the second transporter and the first transporter; a cooler provided in at least one of the first transporter or the second transporter, and configured to cool the medium in the contact area; and a static eliminator configured to eliminate static electricity of the medium which passes through the contact area, by applying a static elimination voltage to the first transporter or the second transporter.
A developing device includes a developer holder that holds a developer containing toner and carrier and being supplied to an image holder forming an electrostatic latent image; a regulation member that regulates the developer held on the developer holder to a specified amount; and a member that is provided to decrease a space on a lower side of the regulation member, and is provided in a region that is less flexible compared to other regions of the regulation member in an axial direction of the developer holder.
An image forming apparatus includes: an image bearing member; a developing device that causes a developer to adhere onto the image bearing member; and a supplying device that supplies the developer to the developing device, the supplying device including a developer flow path along which the developer moving toward the developing device travels and a gas flow path serving as a path that is provided separately from the developer flow path and along which gas flowing from the developing device to the supplying device travels.
A recording medium processing apparatus includes: a first conveyance unit that conveys a recording medium; a cutting member that is provided alongside the first conveyance unit in a width direction of the conveyed recording medium and cuts the recording medium along a conveying direction of the recording medium; a second conveyance unit that is located upstream of the first conveyance unit in the conveying direction and conveys the recording medium having reached a predetermined conveyance route; and a preventing or avoiding unit that, in the recording medium which is conveyed by the first conveyance unit and whose upstream end in the conveying direction has not passed the predetermined conveyance route, prevents or avoids a portion overlapped with the cutting member in the conveying direction from being pulled by the second conveyance unit.
An information processing system includes a memory configured to store property information about one or plural types of recording media; and one or plural processors configured to: acquire property information about a target recording medium; display, on a display, a scatter chart indicating distribution of properties of the recording media for which the property information is stored in the memory and properties of the target recording medium; and display, on the same screen as a screen on which the scatter chart is displayed or on a screen different from the screen on which the scatter chart is displayed, an operation setting of an image forming apparatus for one of the recording media indicated in the scatter chart.
A fixing device includes: a first rotatable member; a second rotatable member disposed in contact with first rotatable member; a pressing member that is disposed along an inner circumferential surface of second rotatable member and presses the inner circumferential surface of the second rotatable member such that the second rotatable member is pressed against the first rotatable member; a sliding member interposed between an inner circumferential surface of second rotatable member and the pressing member; and a lubricant interposed between the inner circumferential surface of the second rotatable member and the sliding member. The inner circumferential surface of the second rotatable member contains a resin having a siloxane group and a conducting material treated with siloxane. A sliding surface of sliding member contains a resin having a siloxane group and a conducting material treated with siloxane. The lubricant contains an oil having a siloxane group in a main chain.
An electrostatic image developing toner set includes a yellow toner including a yellow pigment; a magenta toner including a magenta pigment; a cyan toner including a cyan pigment; a black toner including a black pigment; a first toner that is a dye toner or a transparent toner, the first toner having a crystallization temperature T1 of 80° C. or more and 95° C. or less; and a second toner that is a dye toner or a transparent toner, the second toner having a crystallization temperature T2 of 60° C. or more and 75° C. or less.
A C.I. Pigment Yellow 101 has an average particle size of 100 nm or more and 700 nm or less, and, in an X-ray diffraction pattern obtained by powder X-ray diffractometry, a second peak from a low angle side is present at a diffraction angle 2θ in the range of 11.66° or more and 11.86° or less.
A manufacturing method of an electrostatic charge image developing toner includes aggregating particles including binder resin particles in a dispersion to form aggregated particles and heating the aggregated particles to raise a temperature of the aggregated particles and fuse the aggregated particles, in which, in the fusing, after raising the temperature to equal to or higher than a glass transition temperature of a binder resin in the binder resin particles, while agitating a dispersion containing the aggregated particles, an agitating rotation speed in the agitation of the dispersion is decreased in a stepwise manner or in a continuous manner.
A manufacturing method of an electrostatic charge image developing toner includes aggregating particles including binder resin particles in a dispersion to form aggregated particles and fusing the aggregated particles by heating the aggregated particles to raise a temperature, in which an agitating Reynolds number in agitation of the dispersion during the fusing is 5.0×104 or more and 1.0×106 or less.
A manufacturing method of an electrostatic charge image developing toner includes a step of aggregating particles including binder resin particles and release agent particles in a dispersion to form aggregated particles and fusing the aggregated particles by heating the aggregated particles to raise a temperature, in which, in the fusing, an agitation equipment equipped with a rotating shaft and an agitating blade is used, a diameter d (m) of the agitating blade is 0.2 m or more, and in a case where, in the fusing, a circumferential speed of the agitating blade is denoted by u (m/s), a density of the dispersion is denoted by ρ (kg/m3), an inner diameter of a granulating container is denoted by D (m), and a temperature of the dispersion is denoted by T (° C.), a value of ρud/DT is 1 or more and 40 or less.
An electrostatic-image developing toner set includes a white toner including white toner particles including a polyester resin and a white colorant; and a colored toner other than a white toner, the colored toner including colored toner particles including a vinyl resin, a polyester resin, and a colored colorant, in which a mass ratio C of the polyester resin included in the colored toner particles to the vinyl resin included in the colored toner particles is 0.7 or more and 10 or less, and when a cross section of the colored toner particles is observed, the polyester resin forms a domain having a maximum diameter of 100 nm or more and 1 μm or less.
A toner set for electrostatic image development includes a white toner including white toner particles containing a polyester resin and a white colorant, and a non-white color toner including color toner particles containing a vinyl resin, a polyester resin, and a color colorant, in which a mass ratio C of the polyester resin to the vinyl resin in the color toner particles is 0.7 or more and 10 or less.
An electrostatic-image developing toner set includes a white toner including white toner particles including a polyester resin and a white colorant, and a colored toner other than a white toner, the colored toner including colored toner particles including a vinyl resin, a polyester resin, and a colored colorant, in which the mass ratio C of the polyester resin included in the colored toner particles to the vinyl resin included in the colored toner particles is 0.7 or more and 10 or less, and when the cross section of the colored toner particles is observed, the area fraction of the polyester resin present in a surface layer region of the colored toner particles, the surface layer region corresponding to 15% of the area of the cross section of the colored toner particles, is 60% or more and 100% or less.
patents
