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Subclass of:

399 - Electrophotography

399361000 - DOCUMENT HANDLING

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
399397000 Delivering from transfer position 341
399388000 Feeding to transfer position 154
399382000 Interleaving (e.g., cover or partitioning sheet) 4
20080213015Order Separator for Photographic Order Fulfillment - The present invention discloses an apparatus 09-04-2008
20090311021TAB SHEET SETTING APPARATUS, AND COMPUTER READABLE RECORDING MEDIUM STORED WITH TAB SHEET SETTING PROGRAM - A tab sheet setting apparatus displays sheet images which correspond to sheets for consecutive two or more pages among a plurality of pages and a tab ear icon that functions as a tab image which corresponds to a tab of a tab sheet on an operating screen. In case when the tab image is moved and placed in a first area, which contains at least a sheet image of one page that is displayed on the operating screen, the sheet of the page indicated by the sheet image in the first area is decided to be the tab sheet. In case when the tab image is moved and placed in a second area, which is different from the first area and contains a midpoint of sheet images of two consecutive pages displayed on the operating screen, insertion of the tab sheet in between the two consecutive pages is decided.12-17-2009
20120003023PRINTING APPARATUS, CONTROL METHOD OF PRINTING APPARATUS, AND STORAGE MEDIUM - A printing apparatus to attach at least one tab sheet to a print document discharged by performing a print job may include a specifying unit and a control unit. N is integer of 2 or more and N tab sheets constitute one set of tab sheets. The specifying unit specifies a number M (M is an integer of 1 or more) of the tab sheet specified to be attached to the print document corresponding to one print document set in the print job. The control unit performs control so as to discharge a surplus tab sheet of a number corresponding to a difference between the N and the M after discharging an M-th tab sheet and before discharging a remaining print document to be discharged by performing the print job, during printing of the print document corresponding to the one print document set in the print job.01-05-2012
20100272486METHOD, APPARATUS, COMPUTER PROGRAM, AND COMPUTER READABLE STORAGE MEDIA FOR CONTROLLING THE INSERTION OF TAB SHEETS INTO A PRINT JOB - A method for controlling within a printer driver the insertion of tab sheets into a print job. According to one embodiment, sheets of multiple levels are insertable. The printer driver provides at least input fields for entry and display of parameters for the definition of at least one tab sheet, and an interactive area for visualizing the hierarchical structure and the order of the at least one defined tab sheet corresponding to the level of the tab sheet in the print job. Depending on changes of a tab sheet defined by entered parameters, the visualization of the hierarchical structure and the order of the at least one defined tab sheet in the print job is updated in the interactive area.10-28-2010
399384000 Continuous (e.g., roll, fanfold) 4
20100209160SYSTEM AND METHOD FOR CROSS-PROCESS CONTROL OF CONTINUOUS WEB PRINTING SYSTEM - A system and method for controlling the cross-process position of ink print heads including identifying a first roll error frequency related to a circumference of a first roll, identifying a first roll error phase with respect to a reference location along a process path, identifying a first roll error amplitude of cross-process motion, identifying a second roll error frequency related to a circumference of a second roll, identifying a second roll error phase with respect to the reference location, identifying a second roll error amplitude of cross-process motion, and controlling the cross-process position of a first and second print head based upon the identified first roll error frequency, first roll error phase, first roll error amplitude, second roll error frequency, second roll error phase, and second roll error amplitude, wherein the first print head is axially spaced apart from the second print head along the process direction.08-19-2010
20100178090DEVICE FOR TURNING OVER SHEET MATERIAL - The invention relates to a device for turning over sheet material, preferably sheets of printing material, in a printing machine, preferably for verso-printing, preferably in a digital printing machine, preferably an electrophotographic printing machine, said device comprising driven web-shaped segments extending essentially parallel to each other over at least one section, said web-shaped segments clamping the indi-vidual sheet between them and thus transporting said sheet along a transport path, thus turning over said sheet. The object of the invention is to provide a turn-over device of the aforementioned type, which grasps the sheets with the belt segments and guides them in a manner so as to be turned over, in an easier and more secure manner. This object is achieved in that the clamping belt segments move together on the sheet transport path around at least one deflecting element which deflects them by approximately 180° in such a manner that the previously upper side of the sheet becomes the lower side of the sheet07-15-2010
20120308286SIMPLIFIED BELT SEAM SKIP IN CONTINUOUS WEB FEED MACHINES - A system that avoids any stopping or reversing of the web direction in a continuous feed printer, instead maintaining consistent process speed, only requiring a slowing and speeding up of the web to cycle through the PR belt seam. This is done by forming a web loop and then immediately flattening the loop after passage of the seam through the transfer zone that includes two transfer BTR rolls with alternating transfer operations, but simultaneous transfer for short periods. Two vacuum assist rolls, one located between the two bias transfer rolls controls the formation of the web loop. A pair of nip forming rolls upstream of the first transfer station and a second vacuum assist roll downstream of the second transfer station control the size of the loop.12-06-2012
20110064498IMAGE FORMING SYSTEM AND IMAGE FORMING DEVICE - A first image forming component forms an image on one side of the continuous paper conveyed by a first conveyance component based on a first reference position. The first reference position is a position that is disposed away from the first side edge of the continuous paper by a first width which is one of a measured width of the continuous paper and a pre-specified width for the continuous paper. A second image forming component forms an image on the other side of the continuous paper conveyed by a second conveyance component based on a second reference position. The second reference position is a position that is disposed away from the second side edge by a second width which is the other of the measured width of the continuous paper and the pre-specified width for the continuous paper.03-17-2011
Entries
DocumentTitleDate
20080260443DRAWER MECHANISM AND IMAGE FORMING APPARATUS EQUIPPED WITH THE SAME - A drawer mechanism includes a plate-shaped frame, a first roller and a second roller disposed in a rotatable manner on a surface of the frame at a specific interval, and a rail movable between a first state where the rail is mounted on the surface of the frame and a second state where the rail is pulled out from the frame in a predetermined pull-out direction. Each roller includes a guide peripheral surface formed in an outer peripheral portion in a radial direction and a lower surface opposing the surface of the frame at a specific interval. The rail includes a first pinched portion and a second pinched portion extending linearly in the pull-out direction and pinched between the surface of the frame and one of the lower surfaces and the guide peripheral surfaces of the first roller and the second roller, respectively.10-23-2008
20130045035SHEET COMPRESSION APPARATUS AND IMAGE FORMING APPARATUS - A sheet compression apparatus disposed between a sheet feeding unit configured to feed a sheet and an image forming unit configured to form an image on the sheet compresses the sheet fed by the sheet feeding unit before the image forming unit forms the image on the sheet. The sheet compression apparatus includes a first rotator pair including a first nip configured to press the sheet and allowing a leading edge portion of the sheet to enter and pass through the first nip at a first angle inclined relative to the first nip, and a second rotator pair including a second nip configured to press the sheet and allowing the leading edge portion of the sheet to enter and pass through the second nip at a second angle inclined opposite the first angle relative to the second nip.02-21-2013
20130084117MEDIUM TRANSPORT DEVICE AND IMAGE FORMING APPARATUS - A medium transport device includes a rotating member forming a nip region with a facing member; a guide member configured to rotate in first and second directions opposite to each other; a protrusion serving as a positioning reference for the guide member; and a restricting member including first and second surfaces. The restricting member restricts rotation of the guide member in the first direction such that the guide member does not rotate beyond a position at which the first surface is in contact with the protrusion and at which the guide member guides a sheet medium in an intended direction, and restricts rotation of the guide member in the second direction such that the guide member does not rotate beyond a position at which the second surface is in contact with the protrusion and at which the guide member is not in contact with the facing member.04-04-2013
20120219337SHEET DETECTING APPARATUS AND IMAGE FORMING APPARATUS - The present invention reduces chattering of a sensor flag at a home position and alleviates a collision noise of the sensor flag with a simple configuration. A sheet detecting apparatus includes a turning portion, a sensor outputting a detection signal in response to turning of the turning portion to the detecting position, a first sliding contact portion sliding in contact with the protruded portion so as to move relatively to the protruded portion in an axial direction of the turning portion when the turning portion returns from the detecting position to the home position, and a second sliding contact portion sliding in contact with the protruded portion so as to move relatively to the protruded portion in the axial direction of the turning portion when the turning portion turns from the home position to the detecting position.08-30-2012
20130071167IMAGE FORMING APPARATUS - An image forming apparatus contains a first printer forming a first image on a surface of the sheet member, a reversing section reversing a surface of the sheet member and a second printer forming a second image on a back of the sheet member. The second printer contains a correction section correcting a deflection of the sheet member. A straight sheet-member-transporting path extends from the reversing section to the second printer. A distance between a position at which the sheet member enters the sheet-member-transporting path and a position at which the correction section corrects the deflection of the sheet member is set so as to be not smaller than a length of the sheet member having the largest size among the sheet members to be handled.03-21-2013
20130058693Sheet Conveying Device, Fixing Device, and Wet-Type Image Forming Apparatus - A sheet conveying device configured to convey a sheet of paper from upstream to downstream of a conveying route includes a plurality of wire ropes configured to support and convey the sheet of paper in the conveying route, in which the plurality of wire ropes are arranged apart from each other, and at least two of the wire ropes are arranged so that a distance between them becomes larger as they come closer to downstream of the conveying route. The sheet conveying device can reduce an area of contact with the sheet of paper and reduce the occurrence of abnormal conveyance when conveying the sheet of paper.03-07-2013
20120237278SHEET CONVEYING DEVICE THAT CAN CHANGE SHEET CONVEYING DIRECTION - A sheet conveying device includes: a roller that conveys a sheet; a leading end retaining member that temporarily retaining a front portion in a conveying direction of the sheet conveyed by the roller; a moving unit that moves a rear portion of the sheet toward a direction intersecting the conveying direction using a pushing member while the sheet is retained by the leading end retaining member, the pushing member being located on a downstream side of the roller; and an inverting and conveying roller that, after the moving unit moves the sheet, conveys the sheet while the rear portion of the sheet is set to a head.09-20-2012
20110318078Image Forming Apparatus and Control Method for the Same - An image forming apparatus is provided, which includes a fixing unit, a cooling roller disposed downstream relative to the fixing unit in a sheet feeding direction, an ejection roller disposed downstream relative to the cooling roller in the sheet feeding direction, a driving unit rotating the cooling roller and the ejection roller normally or reversely, and a controller including a determining unit determining whether a detected temperature is higher than a predetermined temperature, the controller switching between a first mode to, after a sheet passes through the cooling roller, control the driving unit to reversely rotate the cooling roller and the ejection roller being rotating normally and a second mode to, in a state where the cooling roller is nipping the sheet, control the driving unit to reversely rotate the cooling roller and the ejection roller being rotating normally, based on the determination of the determining unit.12-29-2011
20090148210Image forming apparatus and sheet transport controlling method used therein - An image forming apparatus includes an image reading unit configured to read image information of an original document, an image forming unit configured to form an image on a sheet according to the image information, a sheet discharge space located between the image reading unit and the image forming unit, into which the sheet is discharged after passing through the image forming unit, a first sheet discharge port disposed facing the sheet discharge space, a second sheet discharge port located beneath the first sheet discharge port, and a sheet handling unit detachably mountable in the sheet discharge space, configured to connect to the first sheet discharge port and block the second sheet discharge port when mounted in the sheet discharge space.06-11-2009
20090087237Image Forming Apparatus - An image forming apparatus is provided and includes an image forming unit that forms an image on a recording sheet at an image forming position; a regulating roller that conveys the recording sheet; a supply path from the regulating roller to the image forming position; an inversion path that is configured to merge with a position on the supply path between the regulating roller and the image forming position and bends and inverts the sheet; a return path that is configured on an opposite side of the regulating roller from the supply path to return the recording sheet to the supply path; and a control unit which rotates the regulating roller in a return rotational direction to convey the inverted recording sheet into the return path, and in a feed rotational direction to convey the recording sheet to the image forming position.04-02-2009
20100061783SHEET CONVEYING APPARATUS AND IMAGE FORMING APPARATUS - A sheet conveying apparatus provided with the first pair of rollers and the second pair of rollers which are positioned in the same axis perpendicular to a fixed direction, and convey a sheet in the conveying direction by rotating while nipping the sheet, the first drive section which drives the first pair of rollers and the second drive section which drives the second pair of rollers, the first detection section which detects a skew angle of the sheet against the conveying direction and a position of an edge part of the sheet in a direction perpendicular to the conveying direction before the sheet is conveyed by the pairs of rollers, and the control section which changes at least one of the rotating speeds based on the detected skew angle, and controls a timing to change the rotating speed based on the detected position of an edge part.03-11-2010
20100278572SHEET CONVEYING APPARATUS AND IMAGE FORMING APPARATUS - A sheet conveying apparatus including: a sheet conveying path through which a sheet is conveyed; a sensor unit configured to output a signal according to a characteristic of the sheet which is conveyed through the sheet conveying path; a pressure unit configured to press the sheet against the sensor unit; and a moving member protruding into the sheet conveying path, the moving member being moved by being pushed by the sheet passing through the sheet conveying path, wherein the pressure unit is interlocked with the moving member so that the sheet is pressed by the pressure unit against the sensor unit when the moving member is not pushed by the sheet, and a pressure force on the sheet applied by the pressure unit is released or reduced when the moving member is pushed by the sheet.11-04-2010
20080240816Pre-Scanning Printer with Paper Fingerprinting - Techniques for scanning and generating fingerprints for articles prior to the use of the articles. The fingerprinting of the articles is performed such that it is decoupled from the process of using the articles. As a result, the fingerprinting process does not act as a bottleneck to the use of the articles. In one embodiment, a printer is provided that is configured to generate fingerprints for paper sheets loaded into the printer prior to the paper sheets being available for printing. The pre-fingerprinted sheets are then made available for printing. In this manner, the process of fingerprinting of the paper sheets is decoupled from the printing operations performed by the printer. As a result, the fingerprinting process does not act as a bottleneck to the printing process.10-02-2008
20100061784CONVEYING UNIT FOR IMAGE FORMING APPARATUS - An interlock switch is switched according to the movement of a relay reversal unit rather than the movement of a front cover. The relay reversal unit is connected to a driver substrate by a drawer connector. The change-over of the interlock switch according to the movement of the relay reversal unit is turned off when margin time elapses after a cover detection switch is turned off.03-11-2010
20080240817Image Forming Apparatus - An image forming apparatus includes a recording sheet storage unit for storing recording sheets substantially in an upright position, an image forming unit which forms an image on a recording sheet conveyed from the recording sheet storage unit, and a recording sheet receiving unit for storing the recording sheet conveyed from the image forming unit substantially in an upright position. In this image forming apparatus, a paper conveyance passage extends upward from a lower portion of the recording sheet storage unit toward the recording sheet receiving unit. The image forming unit positioned on the paper conveyance passage comprises a fixing device and a developer unit at least including a developer carrier, and the fixing device is arranged above the developer unit. Further, a developer receptacle for storing developer that is supplied to the image forming unit is arranged adjacent to one longitudinal end of the developer carrier.10-02-2008
20120070213RECORDING MEDIUM TRANSPORTING DEVICE AND IMAGE FORMING APPARATUS - A recording medium transporting device includes a shaft member that rotates when driving force is transmitted thereto, and that includes a pair of first flat plate portions, a second flat plate portion, and a through hole or a cutaway portion; a sending-out member having a recessed open portion, the shaft member being fitted to the open portion from a direction that crosses an axial direction of the shaft member; and a sandwiching portion capable of being inserted into and removed from the through hole or the cutaway portion from the direction that crosses the axial direction of the shaft member, and sandwiching the flat plate portion of the shaft member between the bottom wall and the sandwiching portion when the sending-out member is moved in the axial direction while the sandwiching portion is inserted in the through hole or the cutaway portion.03-22-2012
20080317531IMAGE FORMING APPARATUS - An image forming apparatus including: a recording medium transport path along which a recording medium is transported; a pair of first rollers that are provided at an upstream side in a recording medium transporting direction with respect to the recording medium transport path and that feed the recording medium into the recording medium transport path; a pair of second rollers that are provided at a downstream side in the recording medium transporting direction with respect to the recording medium transport path and that receive the recording medium transported by the recording medium transport path; a recording medium transport stopping section that stops transporting of the recording medium on the recording medium transport path; and a path opening and closing member that opens the recording medium transport path is provided.12-25-2008
20120141179IMAGE FORMING APPARATUS - An image forming apparatus includes a high speed correction mode in which, at the time of a successive image forming process on a plurality of recording sheets, a preset number of recording sheets among the plurality of recording sheets are subjected to image formation based on a corrected image writing position, and other recording sheets are subjected to image formation based on the corrected image writing position; and a linear correction mode in which the plurality of recording sheets are subjected to image formation based on the corrected image writing position; and performs switching to either one of the high speed correction mode and the linear correction mode according to a correction amount βb for a recording sheet detected at the time of image formation with respect to a correction amount βa for the preset number of recording sheets.06-07-2012
20100143013IMAGE FORMING APPARATUS - In an image forming apparatus, when a conveyance unit is attached to a main body hosing, a conveyance path for conveying the sheet again to the image forming unit is constituted by the conveyance unit and an upper surface of the housing.06-10-2010
20110236097IMAGE FORMING APPARATUS - The present invention provides an image forming apparatus including: a recording medium conveying section; an image forming section, disposed to the recording medium conveying section and relatively moveably supported by the recording medium conveying section at one end side, that forms an image on a recording medium; a side panel that configures a side face portion of the image forming section in a width direction intersecting with the conveying direction, and supports a drive source that drives the image forming section; a support plate, provided between the recording medium conveying section and the image forming section to cover the bottom side of the image forming section, and is supported at a support portion provided at the other end side of the recording medium conveying section; and a resilient member that resiliently supports the support plate and the side panel.09-29-2011
20110044744IMAGE FORMING APPARATUS - An image forming apparatus includes an image carrier; a transferring unit; a fixing unit; a conveying unit; and a sheet shape detecting unit as defined herein, and a discharge position where the sheet is discharged from the conveying path, a feed position where the sheet is fed to the sheet conveying path and a detection position where the shape of the sheet is detected by the sheet shape detecting unit are arranged in this sequence along a sheet conveying direction to be close to one another, immediately downstream in the sheet conveying direction from a fixing position where the toner image is fixed to the sheet.02-24-2011
20090035039Tightly integrated serial hybrid printing system - An electrophotographic printing machine comprising at least one print engine, an input media path delivering a print media to the print engine, an output media path removing the print media from the print engine, and a media handling transport disposed in at least one of the media paths. The media handling transport includes first and second device halves. Each of the device halves includes first, second and third body members, with the first end portion of the second body member disposed adjacent the first end portion of the first body member, the first end portion of the third body member disposed adjacent the second end portion of the first body member, and the second end portion of the third body member disposed adjacent the second end portion of the second body member. An inner body member defines a first media transport passageway with the second body member define, a second media transport passageway with the third body member, and a third media transport passageway with the first body member. The second end portions of the second and third body members define an abutting end of the device half, with the abutting end of the first device half disposed adjacent the abutting end of the second device half in an installed transport.02-05-2009
20110070008CONVEYING DEVICE AND IMAGE-FORMING APPARATUS - A conveying device includes a support member that supports a conveyed medium; a rotation member that is rotated by a drive unit, the rotation member having a contact surface for contacting the conveyed medium supported by the support member to cause the conveyed medium to move on a rotation of the rotation member; a position-changing unit that changes a position of the support member in accordance with the rotation of the rotation member from a first position where the conveyed medium does not contact the contact surface to a second position where the conveyed medium contacts the contact surface; and a buffer mechanism that allows movement of the position-changing unit or the support member in a direction opposite to a direction of the position change of the support member from the first position to the second position caused by the position-changing unit.03-24-2011
20100310292METHOD AND APPARATUS FOR FORMING IMAGE - According to one embodiment, a method for forming an image including, making an image on an image holing member, pressing a nip between the image holding member and a pressure applying member, and controlling the pressure applying to the nip with first pressure before a leading edge of a sheet enters to the nip and second pressure before a leading edge of a sheet thicker than the first sheet enters to the nip.12-09-2010
20110249998FINISHER AND IMAGE FORMING APPARATUS - A finisher includes a bundle hook configured to push a sheet bundle in a first direction and convey the sheet bundle; a drive unit configured to drive the bundle hook in the first direction and a second direction; a discharge unit configured to discharge the sheet bundle conveyed by the bundle hook; a stacking unit configured to stack the sheet bundle discharged by the discharge unit; and a control unit configured to control the drive unit to drive the bundle hook in the second direction if the drive unit drives the bundle hook in the first direction and the discharge unit discharges the sheet bundle.10-13-2011
20120063829Sheet supplying device and image forming apparatus incorporating same - A sheet supplying device that is incorporatable in an image forming apparatus includes a recording media container, a sheet feeding unit to feed a recording medium from the recording media container, and a frame to support the recording media container and the sheet feeding unit. The recording media container is detachably attachable to the frame in a first operation in which the recording media container is moved in a sheet conveyance direction in which the recording medium is conveyed upstream or downstream by the sheet feeding unit, and the recording media container is separated from the frame and the sheet feeding unit with the sheet feeding unit remaining in the frame, and a second operation in which the recording media container is moved in a direction perpendicular to the sheet conveyance direction, and the recording media container is separated from the frame together with the sheet feeding unit.03-15-2012
20100284719IMAGE FORMING APPARATUS - An image forming apparatus includes a first and second ejection portions, a first and second conveying paths, a branch portion connecting the first conveying path with the second conveying path, a switching member movable between a first and second positions, a drive unit that moves the switching member from the first position to the second position or vice versa, a reference position setting unit setting the reference position of the switching member in an initial state, and a control unit controlling the drive unit such that the switching member in the initial state is positioned at the reference position set by the unit.11-11-2010
20100329757Image Forming Apparatus - An electrophotographic image forming apparatus may include a main body including a reference protrusion having a reference surface on one side and a pressing member on the other side, and a photosensitive member unit configured to move between an operational position and an outer position. The photosensitive member unit stops at a particular position located between the outer position and the operational position. The reference surface of the main body may contact the photosensitive member unit located in the operational position. The pressing device of the main body may be configured to press the photosensitive member unit toward the reference surface when the photosensitive member unit is located in the particular position and in the operational position.12-30-2010
20120207526IMAGE FORMING APPARATUS HAVING FIRST AND SECOND GROUND CONDUCTING ROUTES - An image forming apparatus including an image forming apparatus body, a cassette attaching section, a media cassette, a release portion, a first ground conducting route and a second ground conducting route is provided. The cassette attaching section includes a media supplying roller. The media cassette is removably installed in the cassette attaching section. The media cassette includes a loading plate, a pushing up member and a plate holding portion. The release portion engages the plate holding portion. The first ground conducting route conducts static electricity charged on the media and includes a conducting portion. The second ground conducting route conducts static electricity charged on the media when the media is conveyed by the media supplying roller.08-16-2012
20100247196RECORDING MEDIUM TRANSPORT MECHANISM, FIXING DEVICE AND IMAGE FORMING APPARATUS - A recording medium transport mechanism including: a transporting device provided in a transport-path of medium, that transports the recording medium by a drive-roller and a facing-roller disposed to face the drive-roller; an urging member that urges the facing-roller toward the drive-roller; and a restricting portion that allows movement of the facing-roller away from the drive-roller against urging force of the urging member when the recording medium having thickness smaller than a predetermined thickness is transported in a region the drive-roller and the facing-roller facing each other, and restricts an allowable amount of movement of the facing-roller away from the drive-roller when the recording medium having thickness not smaller than the predetermined thickness is transported in the region compared to an allowable amount of movement of the facing-roller away from the drive-roller when the recording medium having thickness smaller than the predetermined thickness is transported is provided.09-30-2010
20100247195IMAGE FORMING APPARATUS, IMAGE FORMING STRUCTURE BODY AND ATTACHMENT METHOD - The image forming apparatus is provided with: a replaceable image forming structure body including elements for image formation; a recording medium transporting structure body including elements for transporting a recording medium to the image forming structure body; an output recording medium transporting structure body transporting, to an output port, a recording medium outputted from the image forming structure body; and a connection structure body electrically connected to structure bodies. They each form at least a part of the appearance of the image forming apparatus. The latter three bodies are adjacent to each other, and attachable in a state where the image forming structure body is not attached, the image forming structure body is in contact with at least three surfaces included in surfaces of the other bodies adjacent to each other, and the image forming structure body is attachable in a state where the other bodies have been attached.09-30-2010
20120134727Image Forming Apparatus - An image forming apparatus is provided which includes a main body, and a belt unit removable from the main body. The belt unit includes a belt extending between a drive roller and a driven roller and configured to rotate such that a recording medium is fed in a feeding direction. The apparatus further includes a feeding device that feeds the recording medium to the belt, and a positioning section including an engaging portion and an engaged portion, the positioning section being configured to position the belt unit when the engaging portion engages the engaged portion. Also, an urging member is provided that urges the belt unit and causes a pressing force to be applied between the engaging portion and the engaged portion. An urging direction of the urging member has a component in the feeding direction.05-31-2012
20120251212RECORDING-MATERIAL TRANSPORT APPARATUS AND RECORDING-MATERIAL TRANSPORT METHOD - A recording-material transport apparatus includes a transport unit that transports a recording material, a detector that detects a position of the recording material in intersecting directions intersecting a transport direction in which the recording material is transported by the transport unit, and a moving member that moves the recording material transported by the transport unit to a predetermined position in a predetermined one of the intersecting directions on the basis of a detection result of the detector.10-04-2012
20120315072IMAGE FORMING APPARATUS AND SHEET PROCESSING APPARATUS - An image forming apparatus includes a toner image forming section that adheres toner to a sheet to form a toner image, a discharge unit into which the sheet is discharged, a conveying unit that conveys the sheet on which the toner is adhered by the toner image forming section and discharges the sheet to the discharge unit, a cooling section that cools the sheet conveyed by the conveying unit, a sheet type instructing section that instructs the type of the sheet, and a controller that controls, in accordance with the type instructed by the sheet type instructing section, the conveyance speed when the conveying unit conveys the sheet.12-13-2012
20090060607Image forming device - A main body control part of an image forming device switches select signals to a unicast mode by a communication mode switching part at least when stopping a recording paper that is being transported on a paper feeding path or when transporting a recording paper stopped on the paper feeding path, and switches the select signals to the broadcast mode after transmitting control data. Each of the paper feeding control parts executes a paper feeding control based on the control data received with the unicast mode, upon detecting the broadcast mode.03-05-2009
20110236098GROUNDING STRUCTURE, SHEET TRANSPORT APPARATUS, AND IMAGE FORMATION APPARATUS - A grounding structure includes a rotation shaft and a grounding member. The rotation shaft has a non-circular cross section, and rotates. The grounding member is attached to the rotation shaft to electrically communicate with the rotation shaft, and rotates together with the rotation shaft. The grounding member includes a first grounding portion, a grounding retainer and a second grounding portion. An outer shape of the first grounding portion is a circular shape. The grounding retainer is provided on a side of the first grounding portion in a shaft direction of the rotation shaft, and has an outside diameter being larger than an outside diameter of the first grounding portion. The second grounding portion is elastically held in contact with the first grounding portion.09-29-2011
20100232853IMAGE FORMING APPARATUS - An image forming apparatus includes: an image holder that holds an image; a conveying member that conveys an image transferred from the image holder or a recording medium with the image transferred from the image holder thereto; an image holder supporting part that supports the image holder; and a conveying member supporting part that is a separate body from the image holder supporting part and supports the conveying member such that the conveying member is openable and closable.09-16-2010
20120288310SHEET STORAGE APPARATUS AND IMAGE FORMING APPARATUS - This invention regards to a sheet storage apparatus. A forward and reversely rotatable conveying roller 11-15-2012
20130011174COVER OPENING AND CLOSING UNIT AND IMAGE FORMING APPARATUS INCLUDING THE SAME - A cover opening and closing unit includes a cover installed to be opened from and close a main body and a manual paper feed tray that is rotatably installed on the cover. The cover is connected to the main body by a link element and a connection link is connected to the link element and the manual paper feed tray so that, when the cover is opened from the main body when the manual paper feed tray is in an opened state with respect to the cover, an open angle of the manual paper feed tray with respect to a vertical direction is maintained within 90 degrees.01-10-2013
20120251213MOTOR CONTROL APPARATUS AND IMAGE FORMING APPARATUS - A motor control apparatus including a motor control unit and a signal output unit that outputs a signal corresponding to rotation of the motor to displace an object to be driven to a target stop position, the motor control unit includes: a first control unit that estimates a current upper limit and determines a first control input; a second control unit that determines a second control input and controls the motor to stop the object to be driven at the target stop position; a first calculation unit calculates a necessary amount for stop, a second calculation unit that calculates a remaining displacement amount, a switching unit, enable the first control unit or the second control unit to control the motor with switching; based on the necessary amount for stop and the remaining displacement amount.10-04-2012
20130114984SHEET PUNCHING DEVICE AND IMAGE FORMING APPARATUS - A sheet punching device including: a die which has a die hole and is configured to be driven to rotate; a punch configured to move in and out of the die hole to punch a hole in a sheet; and a punch operating unit configured to reciprocate the punch with respect to the die hole in a state in which the punch is opposed to the die hole of the die, to move the punch in and out of the die hole.05-09-2013
20130142556IMAGE FORMING APPARATUS - An image forming apparatus starts to change a curl correcting amount until when an upstream end in a sheet conveying direction of a preceding sheet passes through a curl correcting unit and finishes changing the curl correcting amount until when a succeeding sheet that follows the preceding sheet reaches the curl correcting unit in a case when the preceding sheet and the succeeding sheet are both guided in the curl correcting unit through a conveying path and when the curl correcting amount is changed between curl correcting amounts of the preceding sheet and the succeeding sheet.06-06-2013
20110229235IMAGE FORMING APPARATUS HAVING STEPPING MOTOR ARRANGED IN CONVEYING PATH FOR PAPER, AND METHOD FOR CONTROLLING STEPPING MOTOR IN IMAGE FORMING APPARATUS - An image forming apparatus includes: a stepping motor arranged in a conveying path for a paper; a driver for driving the stepping motor; a current detecting unit for detecting an actual current value; and a control unit for providing a set current value for every predetermined cycle. The control unit determines an estimated load torque value corresponding to the set current value in a previous cycle and the actual current value in a present cycle, by referring to a relationship between actual current and load torque of the stepping motor with respect to the set current value, determines a target load torque value based on the estimated load torque value, and determines, as the set current value, a current value corresponding to the target load torque value, by referring to a relationship between maximum output torque of the stepping motor and current supplied to the stepping motor.09-22-2011
20130149018IMAGE FORMING APPARATUS - An image forming apparatus includes a discharge path through which the recording medium that has passed through the printing path is discharged; a reverse path in which the recording medium that has passed through the printing path is reversed; a resupply path in which the recording medium which reversely travels along the reverse path is guided to the printing path; a connection portion in which the printing path, the discharge path, the reverse path, and the resupply path cross one another; and a first guide member that is disposed in the connection portion.06-13-2013
20120027482OVERLAP POSITIONING SYSTEM - Overlap positioning systems are provided for use with a receiver transport system that moves receiver from a pre-printing path, past a print engine, to a post-printing path. In one aspect, the overlap positioning system has a receiver transport system that moves receiver from a post-printing path to a reentry point in the pre-printing path, a diverter selectively diverts the first receiver from the post printing path into a recirculation system having a plurality of surfaces to guide the first receiver from the post printing path to a reentry in the pre-printing path; and a receiver movement system moves the first receiver through the recirculation system; a controller and sensor system cooperate to cause one of the first receiver or a second receiver to be first through the reentry point and the other is advanced through the reentry point at a point where an overlap of a determined amount is provided.02-02-2012
20120093554SHEET CONVEYING APPARATUS AND IMAGE FORMING APPARATUS - A sheet conveying apparatus includes: a conveying unit nipping a sheet in a nip portion to convey the sheet; a shutter unit rotated in a predetermined rotation direction by being pushed by the conveyed sheet to correct a skew of the sheet; a rotation transmitting unit configured to transmit a rotational driving force to the shutter unit to rotate the shutter unit in the predetermined rotation direction; and an urging unit configured to apply an urging force to the shutter unit so that the shutter unit comes into contact with a surface of the sheet, thereafter the shutter unit is returned to a waiting position along with the passage of a rear end of the sheet through the shutter unit after the shutter unit is rotated by the rotational driving force of the rotation transmitting unit.04-19-2012

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