Entries |
Document | Title | Date |
20080240816 | Pre-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 |
20080240817 | Image 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 |
20080260443 | DRAWER 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 |
20080317531 | IMAGE 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 |
20090035039 | Tightly 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 |
20090060607 | Image 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 |
20090087237 | Image 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 |
20090148210 | Image 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 |
20100061783 | SHEET 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 |
20100061784 | CONVEYING 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 |
20100143013 | IMAGE 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 |
20100232853 | IMAGE 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 |
20100247195 | IMAGE 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 |
20100247196 | RECORDING 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 |
20100278572 | SHEET 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 |
20100284719 | IMAGE 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 |
20100310292 | METHOD 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 |
20100329757 | Image 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 |
20110044744 | IMAGE 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 |
20110070008 | CONVEYING 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 |
20110229235 | IMAGE 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 |
20110236097 | IMAGE 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 |
20110236098 | GROUNDING 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 |
20110249998 | FINISHER 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 |
20110318078 | Image 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 |
20120027482 | OVERLAP 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 |
20120063829 | Sheet 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 |
20120070213 | RECORDING 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 |
20120093554 | SHEET 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 |
20120134727 | Image 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 |
20120141179 | IMAGE 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 |
20120207526 | IMAGE 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 |
20120219337 | SHEET 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 |
20120237278 | SHEET 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 |
20120251212 | RECORDING-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 |
20120251213 | MOTOR 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 |
20120288310 | SHEET STORAGE APPARATUS AND IMAGE FORMING APPARATUS - This invention regards to a sheet storage apparatus. A forward and reversely rotatable conveying roller | 11-15-2012 |
20120315072 | IMAGE 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 |
20130011174 | COVER 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 |
20130045035 | SHEET 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 |
20130058693 | Sheet 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 |
20130071167 | IMAGE 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 |
20130084117 | MEDIUM 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 |
20130114984 | SHEET 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 |
20130142556 | IMAGE 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 |
20130149018 | IMAGE 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 |
20130259553 | Image Forming Apparatus - An image forming apparatus includes an image forming portion configured to form an image on a recording sheet, a main body including a pair of frames and a bridging member connecting the pair of frames, a feed roller, a sheet receiving plate, and a lifting member. The sheet receiving plate is configured to receive the recording sheet, and pivot between a nearby position where the sheet receiving plate is disposed near the feed roller and a remote position where the sheet receiving plate is disposed remote from the feed roller. The lifting member is disposed opposite to the feed roller relative to the sheet receiving plate and configured to lift the sheet receiving plate such that the sheet receiving plate is disposed in the nearby position. The lifting member includes a pivot shaft rotatably supported by the bridging member and a lift portion configured to contact the sheet receiving plate. | 10-03-2013 |
20130259554 | IMAGE FORMING APPARATUS - An image forming apparatus that is orientatable in either a first position or a second position, the second position being different from the first position in inclination with respect to a horizontal plane, comprising: a platform configured to be stacked with a plurality of recording sheets used for image formation; a pickup roller in contact with the recording sheets and configured to pick up the recording sheets one at a time; a pressing member applying pressure to the platform against the pick-up roller; and a pressure changer causing the pressing member to change an amount of the pressure according to whether the image forming apparatus is in the first position or in the second position. | 10-03-2013 |
20130279960 | IMAGE FORMING APPARATUS - An image forming apparatus includes: a conveyance roller configured to convey recording sheets; a brush motor configured to drive the conveyance roller to rotate; and a control unit configured to control a rotational speed of the brush motor, wherein while the conveyance roller conveys a recording sheet, (i) the control unit applies voltage to an outer circumferential surface of a commutator of the brush motor to drive the brush motor to rotate by a predetermined rotation amount, so as to perform a cleaning operation to remove a film deposited on the outer circumferential surface, and (ii) the control unit reduces the rotational speed of the brush motor while not performing the cleaning operation, so as to correct a conveyance distance of the recording sheet. | 10-24-2013 |
20130322943 | BELT CONVEYANCE APPARATUS AND IMAGE FORMING APPARATUS - A rotating member provided on an end of a stretching member is rotatable around a rotating axis inclined with respect to the shaft of the stretching member. In order that, when a belt end winds around the rotating member, the belt end winds around an outer side of an entry position where the belt end enters the rotating member, an outer circumferential surface of the rotating member in an area in contact with an inner circumferential surface of the belt is inclined with respect to a belt contact surface. | 12-05-2013 |
20130343794 | Belt Unit and Image Forming Apparatus - A belt unit, including an endless belt, a first roller, a second roller, and a guiding member, is provided. The endless belt includes a belt strip and a guided section protruding from an inner circumferential surface of the belt strip. The guiding member with a groove is arranged on one of axial-end sides of the first roller coaxially with the first roller. The guided section of the endless belt is set in the groove. The groove includes a first face and a second face facing each other along a direction in parallel with a central axis of the first roller. The guiding member includes a first piece containing the first face and a second piece containing the second face. The first face protrudes outwardly with respect to the inner circumferential surface of the belt strip. | 12-26-2013 |
20140105661 | IMAGE FORMING APPARATUS - An image forming apparatus includes a roll body including a print medium wound around, the medium having an adhesive face, an image forming unit to form an image on the adhesive face, a conveyance unit having a pair of a conveyance rotor and an opposed rotor to convey the medium with the medium interposed between the conveyance rotor and the opposed rotor and an adhesive face guide unit to guide the medium when the conveyance unit returns the medium in a return direction opposite a conveyance direction of the medium. The adhesive face guide unit has a downstream rotor disposed downstream from the opposed rotor in the return direction and an endless adhesive face guide member wound around the opposed rotor and the downstream rotor. The adhesive face guide member is configured to receive and guide the adhesive face of the medium returned, in a separable state. | 04-17-2014 |
20140105662 | IMAGE FORMING DEVICE AND DEVELOPMENT UNIT ATTACHABLE THERETO - An image forming device includes an image forming unit that includes a development agent container, a development device that supplies development agent in the development agent container to an electrostatic latent image on a photoconductive body and forms a development agent image on the photoconductive body, a transfer unit transferring, onto a sheet, the development agent image on the photoconductive body, and a fixing unit fixing the development agent image on the sheet, a feed tray disposed under the image forming unit, a pickup unit feeding a sheet placed on the feed tray toward the image forming unit in a U-turn manner, a first conveying path tilted to extend downward obliquely from the pickup unit, and a second conveying path tilted to extend toward the fixing unit obliquely from a continuous section between the first conveying path and the second conveying path. | 04-17-2014 |
20140140745 | POWER TRANSMITTING APPARATUS AND IMAGE FORMING APPARATUS ADOPTING THE SAME - A power transmitting apparatus includes a driving source, a driving member rotated by the driving source, a driven member linked with the driving member to rotate, a transmitting member disposed between the driving member and the driven member, the transmitting member being rotated by the driving member, axially moved along a rotation direction of the driving member so that the transmitting member is connected to the driven member, and an elastic member disposed between the transmitting member and the driven member, the elastic member providing an elastic bias into the transmitting member so that the transmitting member is separated from the driven member. | 05-22-2014 |
20140161502 | IMAGE FORMING APPARATUS - Provided is an image forming apparatus capable of easily recovering a jam sheet nipped by a fixing roller and a pressure roller. | 06-12-2014 |
20140178115 | TRANSPORT DEVICE AND IMAGE FORMING APPARATUS - A transport device includes an endless belt having a recording-medium transport surface provided with multiple holes; stretching members between which the endless belt is stretched so as to be able to revolve; and a suction unit provided inside the endless belt. The suction unit has an opening having a larger width than the endless belt. The opening is exposed at both sides of the endless belt in the width direction. The suction unit draws air through the opening to cause the recording medium to stick to the endless belt. | 06-26-2014 |
20150063888 | SHEET CONVEYING APPARATUS, AND IMAGE FORMING APPARATUS INCLUDING SHEET CONVEYING APPARATUS - A sheet conveying apparatus includes a first conveying path, a second conveying path and a third conveying path, a switching guide, a conveying roller, a driving mechanism, a transmission mechanism. The second conveying path and the third conveying path are formed by diverging from the first conveying path. The switching guide switches the conveying path between the second conveying path and the third conveying path. The switching guide enables to change between a first position in which the sheet is conveyed into the second conveying path and a second position in which the sheet is conveyed into the third conveying path. The conveying roller is arranged on the third conveying path to convey the sheet. The driving mechanism generates a rotational driving force that rotates the conveying roller. The transmission mechanism transmits the rotational driving force to the conveying roller in accordance with the position of the switching guide. | 03-05-2015 |
20150093171 | IMAGE FORMING APPARATUS, IMAGE FORMING SYSTEM AND IMAGE FORMING METHOD - An image forming apparatus has an image forming unit that forms an image on a sheet, a fixing unit that performs fixing of the sheet on which the image is formed, a first conveyance route that has a reverse conveyance route and a second conveyance route that does not pass the reverse conveyance route, and a control unit that performs first control for conveying a previously printed sheet which is printed previously via the first conveyance route and second control for conveying a subsequently printed sheet which is printed subsequently via the second conveyance route, and exerts control to feed the previously printed sheet and the subsequently printed sheet in an overlapped manner after the first conveyance route and the second conveyance route merge together. | 04-02-2015 |
20160026134 | IMAGE FORMING APPARATUS - An image forming apparatus includes: a toner image forming section; a transfer section; a fixing section; a conveyance roller section disposed on a downstream side of the fixing section in a sheet conveyance direction; a conveyance guide section disposed on a downstream side of the conveyance roller section and including a first guide member disposed on a fixing side of a sheet and a second guide member disposed on a rear surface side of the sheet; a feeding-path-switching section disposed on a downstream side of the conveyance guide section and configured to switch sheet feeding paths; and a nip angle adjusting section configured to change a nip angle of a conveyance nip in accordance with whether a sheet on which an image is formed on a first surface thereof is conveyed, or a sheet on which an image is formed on a second surface thereof is conveyed. | 01-28-2016 |