Abstract: A sheet conveying device (30) includes a plurality of first conveyance rollers (31) and a plurality of second conveyance rollers (32). The sheet conveying device (30) includes stiffening rollers (34). The stiffening rollers (34) are disposed coaxially with at least one conveyance rollers (32) among the first and second conveyance rollers (31) and (32), and have diameters larger than diameters of the conveyance rollers (32). The stiffening rollers (34) includes first stiffening rollers (34a), which apply conveying forces to a sheet (P), and second stiffening rollers (34b), which apply smaller conveying forces to the sheet (P) than the conveying forces to the sheet (P) in the first stiffening rollers (34a).

Abstract: According to aspects illustrated herein, a system, a printmaking device, and a method for pre-curling and registering media are provided herein. The system includes a media curler system and a deskew mechanism. The media curler system pre-curls at least one of lead edge and a trail edge of a sheet before delivery to a media hold-down transport. The deskew mechanism is coupled to the media curler system for pivoting the media curler system about a pivot axis to deskew the sheet. The pivot axis extends perpendicular to the media transport path. In operation, as the lead edge enters the pre-curling and registration system, the media curler system pre-curls the sheet towards the media hold-down transport. As the sheet is being pre-curled, the deskew mechanism pivots the media curler system about the pivot axis to correct any skew errors in the sheet.

Abstract: A paper discharge apparatus includes a conveying path configured to convey a paper from an upstream portion to a downstream portion. A preventing mechanism is provided on the conveying path. The preventing mechanism is configured to prevent the paper from being conveyed to the downstream portion by pushing the paper or blocking the conveying path. A control unit is configured to bend the paper by preventing the conveyance of the paper by using the preventing mechanism, and then convey the paper to the downstream portion of the conveying path for discharge of the paper from the conveying path.

Abstract: Air is taken in through air holes of a paper transfer belt and through air inlets of an air intake duct, and a recording sheet of paper is sucked onto front surfaces of the paper transfer belts, forming the recording sheet of paper into a curved (waved) shape along the front surfaces of the paper transfer belts.

Abstract: According to aspects illustrated herein, a system, a printmaking device, and a method for pre-curling and registering media are provided herein. The system includes a media curler system and a deskew mechanism. The media curler system pre-curls at least one of lead edge and a trail edge of a sheet before delivery to a media hold-down transport. The deskew mechanism is coupled to the media curler system for pivoting the media curler system about a pivot axis to deskew the sheet. The pivot axis extends perpendicular to the media transport path. In operation, as the lead edge enters the pre-curling and registration system, the media curler system pre-curls the sheet towards the media hold-down transport. As the sheet is being pre-curled, the deskew mechanism pivots the media curler system about the pivot axis to correct any skew errors in the sheet.

Abstract: A device and a method for the stacking of sheets in a printing press are disclosed. The device and correspondingly the method have at least two laterally spaced sheet transport roll pairs to transport the sheets in a transport plane. A stacking tray is furthermore provided to accommodate the sheets transported out of the printing press. A sheet contacting unit is arranged in the direction of transport behind the sheet transport roll pairs such that it deflects at least a partial region of the sheet out of the transport plane at least in a first direction, wherein the sheet undergoes a deformation transversely to the direction of transport, and wherein the at least two sheet transport roll pairs and the sheet contacting unit are arranged in a projection onto the transport plane in a triangular arrangement.

Abstract: The image forming apparatus comprising an image bearing member configured to carry a toner image and a rotatable belt member stretched by a plurality of stretching members and configured to carry and convey a recording material and a transfer member configured to transfer the toner image from the image bearing member to the recording material carried by the belt member by pressing the belt member against the image bearing member and a first lifting member arranged more downstream than the transfer member in a recording material conveyance direction, to which the recording material is conveyed, and configured to locally lift the belt member from the inside thereof in a width direction orthogonal to the recording material conveyance direction and a second lifting member arranged more downstream than the first lifting member in the recording material conveyance direction, is disclosed as one of the aspects of disclosures.

Abstract: An image-forming apparatus having an image-forming unit, a fixation unit for fixing a toner image transferred to paper, a double-sided print conveyance path for conveying the paper imprinted on one side toward the image-forming unit, a decurling unit for passing the paper discharged from the fixation unit in a double-roller nip including a hard roller and a soft roller and decurling the paper, a rotation unit for rotating the decurling unit, and a calculation unit for calculating an amount of toner deposited on each of a first side, which is the side printed first, and a second side, which is the side on the reverse of the first side and is the side printed next. The rotation unit rotates the decurling unit on the basis of calculation results from the calculation unit.

Abstract: A sheet discharging device, comprising: a housing including a first wall; a discharge section configured to discharge a sheet to an outside of the housing through a slit defined in the first wall; a pressing portion attached to the housing so that the pressing portion presses the sheet discharged through the slit outside the slit; and a moving unit configured to move the pressing portion along the slit.

Abstract: The present invention provides an image forming apparatus which can secure a stacking ability even when a paper is curled. An apex portion is provided downstream in the sheet discharge direction with respect to a center of gravity of the sheets discharged on the discharge tray, and an upstream portion in the sheet discharge direction of the sheet is pushed downward by the image reading apparatus, with respect to a downstream end in the sheet discharge direction of the sheet stacked on the discharge tray, at the downstream portion in the sheet discharge direction with respect to the apex portion of the discharge tray, and the upstream portion of the sheet is pressed by a flag while the downstream portion in the sheet discharge direction of the sheet is bent with the apex portion of the discharge tray.

Abstract: In a sheet discharge roller, a transportation roller includes a roller portion formed integrally on a rotation shaft, and an annular elastic member attached to a surface of the roller portion, each of rigidity increasing portions includes a plurality of plate members axially spaced from each other by a predetermined distance, and the plurality of plate members have forms each obtained by circumferentially dividing a circular plate, respectively, are arranged in positions circumferentially shifted from each other, respectively, and thereby exhibit an outer periphery of a substantially circular form when viewed in the axial direction.

Abstract: With front face printing, the sheet fed from a sheet feeding unit is led into a nipped position between a first pinch roller and a decurling roller from a first direction, and is discharged by decurling force being applied thereto at the decurling roller. On the other hand, the sheet fed from a reverse unit is led into the nipped position from a second direction opposite to the first direction, and is discharged by decurling force being applied thereto at the decurling roller.

Abstract: A sheet de-curling device: including a first de-curling roller, structured of a round axial shaft and a long bar-shaped member, wherein the long bar-shaped member is spiraled on the round axial shaft clockwise from a predetermined portion of a center of the round axial shaft toward a left end of the round axial shaft, and counterclockwise from the predetermined portion of the center of the round axial shaft toward a right end of the round axial shaft with the same spiraling pitch; a second de-curling roller, structured of a round axial shaft and a long bar-shaped member, wherein the long bar-shaped member is spiraled on the round axial shaft in opposite spiraling directions against the first de-curling roller; and a driving mechanism which rotates the paired first and second de-curling rollers.

Abstract: A sheet transport apparatus includes a sheet transport portion that transports a sheet in a first transport direction and a second transport direction, a bending member that bends without breaking the sheet by corrugating the sheet in an orthogonal direction, and a restriction member that restricts, in a perpendicular direction, a corrugation in the sheet bent by the bending member. The restriction member is provided on an upstream side in the first transport direction of the bending member.

Abstract: A tri-roll curler apparatus includes an inlet roll, and exit roll, and a penetrating roll. The three rolls have substantially equal radii. At least one of the penetrating roll, and the inlet and exit rolls may be movable. Distances between the penetrating roll and the inlet roll, and the penetrating roll and the exit roll are substantially equal.

Abstract: A sheet ejecting device for ejecting printed sheets to a stacker one by one, the sheet ejecting device including a pair of ejection rollers; a strengthener, located in a sheet ejection route, for providing a force for a sheet; a bender, arranged to be capable of advancing into and retreating from the sheet ejection route, for canceling out the force provided for the sheet by the strengthener; a driver for moving the bender to advance into and retreat from the sheet ejection route, a sensor for detecting a currently ejected sheet, and a controller for controlling the driver based on a signal sent from the sensor so that the bender can cancel out the force provided for the sheet by the strengthener.

Abstract: A system and method for decurling a sheet medium including a first penetrating roller and a second elastomeric roller mounted substantially parallel. A pressure-sensitive electrically conductive material has properties that vary with its state of compression. An actuator is operative for moving the first penetrating roller and the second elastomeric roller in a direction towards each other, to penetrate the body of the second elastomeric roller with the body of the first penetrating roller. The pressure-sensitive electrically conductive material is subject to pressure by the penetration of the first penetrating roller into the second elastomeric roller. A pair of electrical terminals applies an electrical charge across the pressure-sensitive electrically conductive material. In further embodiments, an electrical property is substantially continuously measured and the depth of penetration is substantially continuously controlled based upon closed-loop feedback of the substantially continuously measuring.

Abstract: A conveyer includes a first rotating body; a second rotating body pair; and an intermediate rotating body arranged between the first rotating body and the second rotating body pair. A curl of the recording medium is corrected by winding and bending the recording medium around and with the intermediate rotating body at a bent angle formed by a tangent line shared by the intermediate rotating body and the first rotating body, and a line on which such a tangent line of the intermediate rotating body is connected to a nip point of the second rotating body pair. The intermediate rotating body includes an escape mechanism that is capable of causing the intermediate rotating body to escape in a direction to increase the bent angle depending on the width of the recording medium.

Abstract: A medium carrying mechanism includes a carrying roller that carries a medium, two correction rollers for medium correction that face the carrying roller and that are positioned along a medium carrying direction, a bracket that includes a rotation shaft and that supports the correction rollers, a supporting member that supports the rotation shaft, and a bias member that biases the rotation shaft toward the carrying roller.

Abstract: A discharge mechanism includes a rotary shaft, a roller member, and a deforming unit. The roller member has a peripheral surface that is coaxial with the rotary shaft, rotates together with the rotary shaft, and discharges a medium that is in contact with the peripheral surface. The deforming unit deforms the medium in such a way that a part of the medium, the part being not in contact with the peripheral surface, passes through a position that is closer to the rotary shaft than the peripheral surface is. A part of the peripheral surface, the part being in contact with the medium, is continuously displaced in an axial direction and in a rotation direction of the rotary shaft when the roller member is rotated.

Abstract: An image-forming device includes: an image-forming unit; a sheet discharge unit; a sheet support unit; and a reading unit. The image-forming unit forms images on a recording sheet. The sheet discharge unit discharges, in a sheet discharging direction, a recording sheet formed with an image by the image-forming unit. The sheet support unit is disposed above the image-forming unit, and supports sheet discharged from the sheet discharge unit. The reading unit is disposed above the sheet support unit, with an underside surface of the reading unit opposing a top surface of the sheet support unit. The sheet discharge unit is configured to discharge the sheet diagonally upwardly so that sheet discharged by the sheet discharge unit contacts the underside surface of the reading unit.

Abstract: A decurler system includes a metallic penetrating roll and a conductive elastomeric idler roll that is movable from an open position to a contact position. The penetrating member is connected to an electrical power supply. When the idler roll contacts the penetrating roll, the idler roll conducts electrical power supplied to the penetrating roll. An initialization process includes detecting an electrical current conducted by the idler roll to determine that an idler roll is in a contact position. An idler roll wear is monitored by counting a number of steps that the idler roll is driven before an electrical current is detected at the idler roll.

Abstract: A pair of conveyor rollers arranged in an image forming apparatus to convey a recording sheet is configured to be shiftable relative to the body between a first position and a second position. A first holding member is configured to support one of the conveyor rollers so that the supported conveyor roller is swingable around a pivot to allow the pair of conveyor rollers to be shifted between the first position and the second position. The first holding member including a sheet guide portion which provides a variable-position guideway extending from a position located upstream along the sheet conveyance path toward a peripheral surface of the supported conveyor roller, where the sheet guide portion moves to a position suitable to guide the recording sheet to be nipped by the pair of conveyor rollers at least when the pair of conveyor rollers is shifted to the first position.

Abstract: A paper discharge device includes a waiting path having one side connected to an input port and another side connected to a discharge port, and a collection path having one side connected to the waiting path through a merged portion and another side connected to a collection chamber. Conveyance mechanisms convey a paper which was conveyed through the input port to the discharge port in a forward direction, and convey, after lapse of a given period of time after the conveyance of the paper, the paper in a reverse direction through the merged portion to feed into the collection path. An input mechanism provided in the collection path conveys the paper fed from the waiting path through the collection path into the collection chamber while sandwiching the paper between rollers to form folds across a total length of the paper along the paper conveying direction.

Abstract: A discharge mechanism includes: a rotation shaft; a pair of roll members disposed on the rotation shaft at different positions in an axial direction; and a protrusion that protrudes from a section of the rotation shaft sandwiched between the pair of roll members, wherein a distance from a center of the rotation shaft to a tip of the protrusion is smaller than a radius of each of the pair of roll members, and the protrusion includes a projecting part that projects in a direction of rotation of the rotation shaft.

Abstract: A sheet of paper is conveyed by a convey roller to a print receiving member and pushed forward thereon while being supported by ribs and pressed downward by pressing members so as to keep a predetermined distance between the paper and a recording head while an image is printed on the paper. Since the pressing members press respective side portions of the paper, the paper can be bent downward outside the outmost ribs and prevented from rising at the side portions.

Abstract: A method of printing includes providing a printhead and providing a roller positioned downstream from the printhead. The printhead is used to selectively moisten at least a portion of the web of print media as the web of print media is guided through the printing system. The print media is caused to contact and wrap around a portion of the roller as the print media moves past the roller. The roller, having an axis of rotation, includes a pattern of recesses and ridges positioned along the axis of rotation of the roller. A second section of the roller is located between a first section of the roller and a third section of the roller as viewed along the axis of rotation. The roller includes a profile as viewed along the axis of rotation in which the diameter of the ridges located in the first section of the roller and the diameter of ridges located in the third section of the roller are greater than the diameter of the ridges located in the second section of the roller.

Abstract: A digital printing system for printing on a continuous web of print media includes a printhead configured to selectively moisten at least a portion of the web of print media as the web of print media is guided through the printing system. A roller, positioned downstream from the printhead, contacts the print media and causes the print media to wrap around a portion of the roller as the print media moves past the roller. The roller, having an axis of rotation, includes a pattern of recesses and ridges positioned along the axis of rotation of the roller. A second section of the roller is located between a first section of the roller and a third section of the roller as viewed along the axis of rotation. The roller includes a profile as viewed along the axis of rotation in which the diameter of the ridges located in the first section of the roller and the diameter of ridges located in the third section of the roller are greater than the diameter of the ridges located in the second section of the roller.

Abstract: A medium reversing apparatus, an image forming apparatus and an image reading apparatus that respectively have the medium reversing apparatus are supplied capable of avoiding medium damage and medium load abnormality. In the medium reversing apparatus that conveys a sheet-like medium back and reverses obverse side and reverse side of the medium, a medium ejection opening is used for ejecting at least a part of the medium; an ejecting member at least ejects the part of the medium from the medium ejection opening and conveys the medium back; and a bend forming section is set at the outside edge portion of the ejecting member and bends the medium from a clamp face of the medium clamped by the ejecting member.

Abstract: A decurler to decurl a curled printing media being transported into a release area, the decurler comprising: a) at least one guide arm against which the printing media presses, positioned and adapted to bend the printing media along an axis substantially in a direction of transport thereof; and b) a hinge on which the guide arm is mounted, the hinge being oriented at an angle of between 0.25 degrees and 20 degrees from vertical, wherein a reaction force that the guide arm exerts on the printing media is suitable for decurling the printing media. Another decurler with a flexible strip which hangs down and presses against a middle portion of the printing media.

Abstract: A sheet processing apparatus including: a humidifier that humidifies a sheet; a curl correcting section that corrects a curl by applying mechanical bending force on a sheet; and a control section that causes humidification by the humidifier and curl correction by the curl correcting section to be possible for a prescribed sheet, and causes either one of humidification by the humidifier and curl correction by the curl correcting section to be possible for sheets other than the prescribed sheet.

Abstract: A sheet discharge roller has a contact portion in contact with a feed roller and a noncontact portion not in contact with the feed roller. The sheet discharge roller includes a kick-out unit having a projected portion and a recess portion on one end of the noncontact portion in the circumferential direction. A reverse roller also has a contact portion in contact with the feed roller and a noncontact portion not in contact with the feed roller. The reverse roller includes a large-diameter portion on its one end in a direction opposite to a direction of the kick-out unit. The large-diameter portion has a diameter larger than a diameter of the contact portion.

Abstract: A sheet of paper is conveyed by a convey roller to a print receiving member and pushed forward thereon while being supported by ribs and pressed downward by pressing members so as to keep a predetermined distance between the paper and a recording head while an image is printed on the paper. Since the pressing members press respective side portions of the paper, the paper can be bent downward outside the outmost ribs and prevented from rising at the side portions.

Abstract: A post-processing apparatus including: a conveyance unit which conveys a sheet, having been carried-in, to a selected conveying destination among a plurality of conveying destinations; a stiffness imparting unit which imparts stiffness to the sheet being conveyed by the conveyance unit; and a control section which controls the stiffness imparting by the stiffness imparting unit, wherein the control section controls whether to impart or not to impart stiffness to the sheet, according to the selected conveying destination.

Abstract: A discharge device includes: a discharge unit that discharges a recording medium in a discharge direction; and a forming unit arranged downstream of the discharge unit and adapted to form an oblique corrugation with respect to the discharge direction on the recording medium.

Abstract: A sheet output device includes a sheet receiver and a group of rollers. The group of rollers includes a plurality of output rollers arranged in the widthwise direction of the sheet and a plurality of pinch rollers arranged upward of the plurality of output rollers. The plurality of pinch rollers pinch the sheet with the plurality of output rollers and transport the sheet onto the sheet receiver. The sheet output device further includes at least one corrugation roller which is disposed between corresponding two of the plurality of output rollers and which has a diameter larger than the plurality of output rollers. The plurality of output rollers are rotatable relatively with respect to the at least one corrugation roller. The at least one corrugation roller rotates by being pushed by a leading end of the transported sheet.

Abstract: A paper ejecting device with a plurality of swinging protruding members is provided which allows a sheet jumping from a paper ejecting device to a paper receiving tray to be ejected with a desired shape by changing the corrected shape of the sheet according to the kind (size, thickness) of paper.

Abstract: The present invention provides an image forming apparatus which can secure a stacking ability even when a paper is curled. An apex portion is provided downstream in the sheet discharge direction with respect to a center of gravity of the sheets discharged on the discharge tray, and an upstream portion in the sheet discharge direction of the sheet is pushed downward by the image reading apparatus, with respect to a downstream end in the sheet discharge direction of the sheet stacked on the discharge tray, at the downstream portion in the sheet discharge direction with respect to the apex portion of the discharge tray, and the upstream portion of the sheet is pressed by a flag while the downstream portion in the sheet discharge direction of the sheet is bent with the apex portion of the discharge tray.

Abstract: The invention relates to an arrangement (1) for conveying of sheets (2a, b), comprising upper and lower receiving rolls (3, 4), an upper belt element (5) and a receiving surface (6). The belt element (5) extends in a region above the receiving surface (6). The sheets (2a, b) are conveyed in a substantially horizontal direction of movement (7) towards the receiving rolls (3, 4), which receiving rolls (3, 4) during rotation move the sheets (2a, b) one after another between and past the receiving rolls (3, 4), during which the respective sheet (2a, b), after passing between and past the receiving rolls (3, 4), are situated between said receiving surface (6) and upper belt element (5). The sheets (2a, b) between the upper belt element (5) and the receiving surface (6) are placed on one another such that a rear edge (8) of a sheet (2a) passing through and between the receiving rolls (3, 4) is overlapped by a front edge (9) of a following sheet (2b).

Abstract: There is provided a paper curl correction apparatus including: an input curl determining unit that determines, on the basis of curl characteristic information of a first apparatus which processes a sheet, input curl information corresponding to an amount of curl of a sheet input from the first apparatus; a target curl acquiring unit that acquires, from a post-processing apparatus which performs a post process on a sheet, target curl information suited for the post process; a correction determining unit that determines, on the basis of the input curl information and the target curl information, an amount of curl correction for correcting an amount of curl of the sheet input from the first apparatus to an amount of curl suited for the post process; and a curl correcting unit that corrects the curl of the sheet input from the first apparatus in accordance with the amount of curl correction.

Abstract: A pair of conveyor rollers arranged in an image forming apparatus to convey a recording sheet which has been subjected to a fixing process toward outside of a body of the apparatus is configured to be shiftable relative to the body between a first position and a second position. A first holding member is configured to support one of the conveyor rollers in such a manner that a conveyor roller supported by the first holding member is swingable around a pivot located adjacent to a sheet conveyance path upstream of the supported conveyor roller to allow the pair of conveyor rollers to be shifted between the first position and the second position. The first holding member comprises a sheet guide portion which provides a variable-position guideway extending from a position located upstream along the sheet conveyance path toward a peripheral surface of the supported conveyor roller.

Abstract: The invention provides a bill processor that substantially horizontally delivers bills one by one to an upper space of a stacking unit from a delivery unit, downward strikes and drops the trailing edge of a delivered bill in its delivery direction by impellers, and stacks the bills in the stacking unit. The bill handling machine has a regulating member that engages the leading edge of the bill in its delivery direction, which is delivered to the upper space of the stacking unit from the delivery unit. The regulating member can be changed in position in the delivery direction according to the length of a bill in the delivery direction.

Abstract: A sheet ejecting device has a pair of ejection rollers, a strengthener arranged in the sheet ejection device, for strengthening a sheet, a driver for moving the strengthener to advance into and retreat from a sheet ejection route, a sheet sensor, and a tray for receiving sheets ejected via the pair of ejection rollers and holding the sheets in a stack. Based on a detection signal from the sheet sensor, the strengthener is moved to advance into and retreat from the sheet ejection route so that only a necessary part of a sheet can be strengthened.

Abstract: A sheet guiding apparatus, including: a supporting member having a supporting surface which supports a sheet; a first electrode provided in the supporting member; an electric field generating portion configured to generate an electric field between the supporting surface and the first electrode; a guide member which is distant from the supporting surface by a predetermined distance in a direction perpendicular to the supporting surface; a moving portion configured to move the sheet supported by the supporting surface by moving at least one of the supporting member and the guide member relatively to each other in a direction parallel to the supporting surface; and an electric field inverting portion configured to invert a direction of the electric field generated by the electric field generating portion, when a leading end portion of the sheet in a direction in which the sheet is moved has reached a vicinity of the guide member.

Abstract: A sheet processing apparatus comprises a first conveyer roller pair arranged at the upstream side of a sheet conveyance route and a second conveyer roller pair arranged at the downstream side of the sheet conveyance route so as to convey a sheet of paper from the upstream side to the downstream side. Additionally, a punching unit is arranged between the first conveyer roller pair and the second conveyer roller pair. The second conveyer roller pair is made to operate as a slipping roller after the time when the leading end of the sheet of paper being conveyed passes the first conveyer roller pair and a stopper is made to appear at a position downstream relative to the second conveyer roller pair so as to make the leading end of the sheet of paper abut the stopper in order correct the skew, if any, of the sheet of paper.

Abstract: A sheet conveying apparatus for conveying a sheet having an image formed thereon includes: a first rotator; a second rotator that comes into pressure contact with the first rotator and contacts a surface of the sheet having the image formed thereon; and a plurality of ribs that are formed on a circumferential surface of the second rotator and disposed in an axial direction so as to be continuous in a circumferential direction. Among the plurality of ribs, the ribs disposed at both ends of the second rotator in the axial direction have a diameter that is smaller than those of the other ribs.

Abstract: A sheet feeding device, including: a first tray on which sheets to be fed are stacked; a second tray which is disposed above the first tray to provide a two-tier structure and on which the sheets after having fed from the first tray are stacked; a sheet-feed path extending from the first tray to the second tray; a sheet-feed mechanism which is operable to separate one of the sheets stacked on the first tray, to feed the one of the sheets into the sheet-feed path, and to discharge the one of the sheets to the second tray such that the one of the sheets slides under another of the sheets that has been discharged immediately before the one of the sheets; and at least one sheet guide which is configured to warp the sheets discharged to the second tray, in a direction perpendicular to a sheet-feed direction in which the sheets are fed.

Abstract: An image forming apparatus that includes: an image forming unit that forms an image on a surface of a conveyed sheet; a guide that guides the sheet conveyed from the image forming unit; a correction roller located downstream of the guide in a conveyance direction of the sheet, the correction roller correcting a curl of the sheet conveyed; a plurality of rollers disposed opposite the correction roller along the periphery of the correction roller, the rollers nipping the sheet with respect to the correction roller; and a guide member having a wheel that guides the sheet being guided by the guide and conveyed toward the correction roller.

Abstract: A media sheet deformer provides an adjustable amount of media sheet deformation. The media sheet deformer nonpermanently deforms a media sheet in a printer to increase the beam strength of the media sheet temporarily. The device includes a deformer, a support member, and a positioning member. The deformer is positioned in a media path within a printer. The deformer is configured to deform a media sheet temporarily with an amount of media sheet deformation. The amount of media sheet deformation causes the media sheet to exhibit an arched profile that increases the beam strength of the media sheet. The support member is coupled to the deformer. The support member is movably coupled to a printer frame. The positioning member is coupled to the support member. The positioning member is configured to assert a force on the support member and alter the amount of media sheet deformation.

Abstract: A recording medium supply apparatus includes: a conveyance member that conveys a recording medium; a retard member, in contact with the conveyance member, that forms a contact portion between the conveyance member and the retard member and retards the recording medium by holding the recording medium in the contact portion; and a buckling prevention unit, configured to contact with the recording medium on the upstream side of the contact portion between the conveyance member and the retard member in a conveyance direction of the recording medium, that prevents buckling of the recording medium in the conveyance direction.