Abstract: A method and apparatus for printed media stack management in an image production device is disclosed. The method may include determining if a media stacker device has been removed from a finishing module during a print job, wherein if it is determined that the media stacker device has been removed from the finishing module during a print job, moving one or more media path selection devices to enable the printed media to be stacked onto a media stacking tray, determining if the media stacker device has been returned to the finishing module, wherein if it is determined that the media stacker device has been returned to the finishing module, moving the one or more media path selection devices to enable the printed media to be stacked onto the media stacker device.

Abstract: A print interface system includes a printer integrated in combination with a sheet handling system such as a mailpiece inserter. The print interface system facilitates the handling of sheet material in various operating modes, including conventional printing, duplex printing, and mailpiece creation modes. The system includes an interface module having upper and lower housing segments defining first and second feed paths. A first feed path directs sheet material to a stacking surface of the upper housing segment and a second feed path directs sheet material to a downstream module of the sheet handling device. A repositionable diverter bifurcates the path exiting the printer to direct sheet material to one of the two feed paths. Furthermore, the upper housing segment is pivotally mounted to the lower housing segment to provide internal access to one of the first and second feed paths.

Abstract: There is provided a connection apparatus for connecting an image forming apparatus and a plurality of sheet post-processing apparatuses. This connection apparatus has a flapper portion for switching a plurality of conveying paths going toward the plurality of sheet post-processing apparatuses. Sensors are provided near inlet rollers and near output rollers, respectively. Outputs of the sensors are inputted to a wired OR circuit, so that an output of the wired OR circuit is supplied to a CPU of one of the connected sheet post-processing apparatuses.

Abstract: A paper conveying apparatus and method for flipping paper includes a paper feeding roller that can rotate in a positive direction or in a reverse direction, a motion transfer member that has one end coupled with the paper feeding roller, and a paper depressing element coupled with another end of the motion transfer member to be driven and rotated. The method of flipping paper includes: first, feeding a sheet of paper into a first paper conveying path; next, depressing the paper into a second paper conveying path while the paper is leaving the first paper conveying path; and reentering the paper from the second paper conveying path into the first paper conveying path upside down.

Abstract: This disclosure provides a print media rotary transport apparatus and method of operation. The print media transport apparatus comprises a print media rotary path and a print media rotary bypass path, wherein the print media rotary path rotates a print media sheet about an axis orthogonal to the print media sheet.

Abstract: A duplex automatic document feeder includes first, second, third, and fourth paths, an ejecting path, a scanning module, first and second reversing roller units, a feeding tray, and an ejecting tray. A document is moved from the feeding tray to the scanning module for scanning of a first side surface thereof. Subsequently, the document is moved along a second-side scanning path defined by the first reversing roller unit, the third path, a portion of the first path, the fourth path, and the first reversing roller unit to allow for scanning of a second side surface thereof. After the first and second side surfaces are scanned, the document is moved along a document-inverting path defined by the second reversing roller unit, a portion of the fourth path, the ejecting path, a portion of the second path, the first reversing roller unit, and the ejecting tray.

Abstract: A sheet conveying apparatus according to the invention includes a first conveying path; a sheet reverse conveying portion; a second conveying path; a third conveying path; and a movable guide portion configured to guide the conveyed sheet. The guide portion is moved to a position where the sheet can pass when the sheet is guided from the first conveying path to the second conveying path, and the guide portion is moved to a position where the guide portion guides the sheet to the third conveying path while blocking between the first and second conveying paths such that the sheet can not intrude from the second conveying path into the first conveying path when the sheet conveyed by the sheet reverse conveying portion is conveyed in the second direction.

Abstract: A sheet conveying apparatus has a pair of conveying rotary members for conveying a sheet, an openable and closable conveying guide for guiding the sheet conveyed by the pair of conveying rotary members, a conveying path, which is disposed on a downstream side of the conveying guide, on which the sheet guide passes, a discharging portion on which the sheet having passed on the conveying path and discharged is stacked, and an obstructing member for obstructing the entrance of the conveying path. In a state in which the conveying guide is closed, the sheet conveyed by the pair of conveying rotary members is guided to the conveying path by the conveying guide. In a state in which the conveying guide is closed, the obstructing member is retracted from the entrance of the conveying path, and in a state in which the conveying guide is opened, the obstructing member obstructs the entrance of the conveying path.

Abstract: The present application is directed to devices and methods for directing media sheets moving along a media path within an image forming apparatus. In one embodiment, a gate is positioned in proximity to the media path. The gate may include an elongated shape that extends across at least a section of the media path. A fluid damper may be operatively connected to the gate and may include a shaft and a chamber that holds fluid. The shaft is rotationally positioned with a first section within the chamber and a second section extending outward from the chamber. Rotation of the shaft in a first direction may force the fluid within the chamber to move relative to the body and cause the gate to move to a first position in the media path to direct the media sheets towards a first part of the media path.

Abstract: A document feeder includes a conveying path extended from a document supplying position to a reading position, a first conveying roller pair provided upstream from the reading position and nipping and conveying the document, a second conveying roller pair provided downstream from the reading position and nipping and conveying the document faster than the first conveying roller pair, a post-reading conveying path extended downstream from a nipping position of the second conveying roller pair, the post-reading conveying path being located above a plane tangent to the second conveying roller pair at the nipping position running in a reverse sheet feed direction, and a third conveying roller pair provided on the post-reading conveying path and nipping and conveying the document conveyed from the second conveying roller pair at a conveying force equivalent to that of the second conveying roller pair.

Abstract: An apparatus for ejecting sheets from a sheet transport path onto an auxiliary stack disposed upstream of a main stack, includes a planar sheet guide surface having a sheet ejection opening formed therein. The sheet ejection opening is closed by a sheet separating element and a flap, in a closed state. The separating element and the flap also serve as guide elements during the ejection of sheets.

Abstract: An easy-to-use, inexpensive, and small sheet conveying device, which can stably and separately convey not only sheets of a fixed size that are normally used, but also highly rigid sheets and special sheets, and can further separately convey a bent sheet reliably. In a sheet conveying path switching device having a sheet carrying-in path and a switching separating nail, outlines of two separating/conveying paths out of a plurality of separating/conveying paths positioned on a downstream side of the switching separating nail are configured by a movable belt surface, the two separating/conveying paths being located closer to the separating nail than the other separating/conveying paths.

Abstract: A sheet conveying apparatus has a pair of conveying rotary members for conveying a sheet, an openable and closable conveying guide for guiding the sheet conveyed by the pair of conveying rotary members, a conveying path, which is disposed on a downstream side of the conveying guide, on which the sheet guide passes, a discharging portion on which the sheet having passed on the conveying path and discharged is stacked, and an obstructing member for obstructing the entrance of the conveying path. In a state in which the conveying guide is closed, the sheet conveyed by the pair of conveying rotary members is guided to the conveying path by the conveying guide. In a state in which the conveying guide is closed, the obstructing member is retracted from the entrance of the conveying path, and in a state in which the conveying guide is opened, the obstructing member obstructs the entrance of the conveying path.

Abstract: A conveying and dividing mechanism in which a first conveyance path and a second conveyance path facing each other can bidirectionally convey banknotes between each other and that can divide into multiple-direction banknotes conveyed from both the first conveyance path and the second conveyance path. A first dividing member is rockably provided at the intersection of the first conveyance path, the second conveyance path, a third conveyance path, and a fourth conveyance path. The first dividing member enables banknotes to be bidirectionally conveyed between the first and second conveyance paths. Further, the first dividing member enables bank notes conveyed from the first and second conveyance paths to be divided into the third and fourth conveyance paths.

Abstract: A sheet processing apparatus includes a first processing unit, a second processing unit, a roller, a guide member, and a conveying unit. The first processing unit applies first processing to a recording medium. The second processing unit applies second processing to the recording medium. The roller has a conveying path to convey the recording medium from the first processing unit to the second processing unit along the outer circumference. The guide member guides the recording medium to the conveying path to lead the recording medium to the second processing unit. The conveying unit applies a conveying force to a stack of recording media at an upstream of the guide member in a recording-medium conveying direction.

Abstract: A diverter assembly includes at least one rotary member disposed along a media transport pathway adjacent a diversion point therealong. The diverter assembly also includes a rotational motion source in operative association with the at least one rotary member. A printing system includes a diverter assembly. A method of transporting sheet media includes utilizing a diverter assembly.

Abstract: This disclosure relates to a printing integration system. Specifically, this disclosure provides a means to integrate one or more pairs of substantially vertically aligned marking engines using an intersection transport. The intersection transport includes a media sheet input intersection transport, a single horizontal transport, and a media sheet output intersection transport.

Abstract: A medium path converting unit to reduce electrical stress, an image forming apparatus including the same and a control method thereof. The medium path converting unit to convert a moving path of a print medium can include a guiding member movable to a first position to guide the print medium to a first path and to a second position to guide the print medium to a second path, an actuator to move the guide member from the first position to the second position, an actuator solenoid to drive the actuator, and a locking unit to lock the actuator to allow the guiding member to maintain the second position.

Abstract: An automated document processing apparatus comprising a detector; a plurality of pockets; and a pocket selector gate assembly which causes a document being processed by the apparatus to be routed to one of the plurality of pockets based on information read from the document by the detector, the route of the document being determined by the position of a pocket selector gate, the pocket selector gate position being controlled by a motor which is mechanically coupled to the pocket selector gate, the mechanical coupling being such that, when the pocket selector gate is in a first position, the pocket selector gate is locked in place even after the motor has been deenergized. The mechanical coupling may be achieved by way of a link arm and pin, the pin mating with the link arm and engaging a mating slot of the pocket selector gate.

Abstract: A diverter panel comprises an elongated rectangular panel made of a substantially flat plate made of clear plastic. The plate has fasteners mounted at its front corners for mounting the panel to a frame of the sorting machine, a rear upright flange extending from the plate along the length thereof, the flange having a bottom edge which can be supported on a horizontal beam of the sorting machine. The panel is rigid enough such that vibration of the sorting machine does not cause significant movement of the panel when secured at its corners and with the rear flange supported by the beam of the sorting machine. An opening in the rear flange and an adjacent portion of the plate allows a drive shaft to pass therethrough, and a contact pad formed by an outwardly projecting portion of the rear flange is configured for engagement with a plunger of a switch.

Abstract: A sheet processing apparatus which perform a process to sheets comprising a stacking tray on which stacks the sheets to be performed a process; a discharge roller pair; a first path in which conveys a sheet to the discharge roller pair, shorter than the length of the minimum sheet size being conveyed in the sheet conveying direction; a second path branched from the first path and meeting with the first path at the upstream side in the sheet conveying direction of the discharge roller pair; and a path switching member, wherein a first sheet conveyed while processing the sheets on the stacking tray is guided into the first path by the path switching member, and when the front end of the first sheet projects from the discharge roller pair, the discharge roller pair is apart from each other and the first sheet is held in the first path, and the path switching member is changed over, and a second conveyed sheet is guided into the second path, when the front end of the second sheet projects from the discharge rolle

Abstract: An apparatus for processing sheet material includes a transport device for transporting single sheets of the sheet material. The transport device includes a diverting device for diverting the transport direction of the single sheets having one or more opposite first and second diverting elements between which the sheets are transported through for diversion. One of the diverting elements has a roughened surface with depressions of at least 1 mm. The apparatus further includes a smoothing device arranged so as to pull apart the sheet material in a direction perpendicular to the transport direction immediately before diversion in the diverting device.

Abstract: A sheet conveying mechanism, which conveys a sheet on which a toner image has been fixed at a heat-fixing process, includes conveying rollers each of which is a single roller having the same diameter throughout a width for passing the sheet and is disposed in a predetermined section for a cooling process after the heat-fixing process, and includes a sheet conveying guide provided on the predetermined section and having a sheet-passing surface made in the same shape throughout the width for passing the sheet.

Abstract: A paper conveying/branching device comprising a main conveyer passage, a first branched conveyer passage, a second branched conveyer passage, a conveyer passage change-over guide member, a solenoid and a controller. When the displacing member of the solenoid is displaced to the first operation position from the second operation position, the conveyer passage change-over guide member is rotated from the second position to the first position by its own weight or by a spring force, so that the upstream side in the direction of conveying the paper is lowered with respect to the support shaft. In a state where the conveyer passage change-over guide member is brought to the second position, the controller so operates the solenoid that the displacing member is displaced to the first operation position from the second operation position after the leading end of the paper has passed through, or while the leading end of the paper is passing through, the conveyer passage change-over guide member.

Abstract: Various embodiments and methods relating to a guide for pressing a medium towards a surface of a drum and for retracting the guide away from the surface are disclosed.

Abstract: An automatic document feeder includes first, second, third, and fourth paths for guiding movement of a document. The document is fed through the first path and a scanning module so as to allow for scanning of a first side surface of the document. Thereafter, a switching gate is pivoted to a first position so as to allow the document to be moved from a front section of the second path onto a roller unit via the fourth path and a rear section of the third path. The rotational direction of the middle roller is changed in response to movement of the document onto the roller unit so as to allow the document to be moved onto the first path via the third path, thereby allowing for a subsequent scanning operation on a second side surface of the document. The automatic document feeder further includes a document-inverting path such that documents are automatically arranged according to paper number.

Abstract: A check processing device conveys checks into branch paths without the check jamming. The downstream end of the check transportation path 7 of the check processing device 1 is split by a diversion unit 18 into first and second branch paths 11 and 12. The diversion unit 18 has diversion unit guide surfaces 18a and 18b that diverge to the right and left, and a diversion unit top 18c that connects the top edges of the diversion unit guide surfaces 18a and 18b. A branch switching lever or flapper 19 is located at the branching position A. The diversion unit top 18c slopes upward from the lever top 19c in the diversion direction on both right and left sides, and also slopes upward from the top edges of the diversion unit guide surfaces 18a and 18b perpendicularly to the diversion direction.

Abstract: A recording apparatus includes: a recording unit which records an image by ejecting ink to a conveyed recording medium; a conveying unit which returns the recording medium, on which the image has been recorded by the recording unit, in order toward an upstream side in a conveying direction; and a reversal unit which is provided at a downstream side of the conveying unit in a returning direction, the reversal unit including a plurality of holding units which respectively suck and hold a recording medium that has been returned by the conveying unit, reverse the recording medium, and send the recording medium to the recording unit.

Abstract: The invention provides a paper sheet separating and accumulating apparatus which prevents a discharged paper money from entering into an accumulating carrier path in the case of discharging the paper money, and inhibits a jam from being generated. The paper sheet separating and accumulating apparatus is provided with a movable portion (for example, a stack guide, a detection lever, and a pressurized member) which is changed its position in correspondence to a movement of a paper sheet to a position at which an elevating plate discharges the paper sheet from an accumulating portion, and the movable portion is provided with a shielding portion (for example, a concavity and convexity of the movable portion and a shielding member) shielding a route from a two-way carrier path to an accumulating carrier path, in the case of discharging the paper sheet from the accumulating portion.

Abstract: A stacker includes a sheet discharging portion constituted by a discharging belt and an extension roller that is in contact with the discharging belt. The position of the extension roller is changeable along the discharging belt. This means that, in the stacker, the position from which a sheet is discharged is changeable to a desired position in accordance with the sheet length by changing the position of the extension roller. Therefore, it is possible to stack sheets at a desired position on stacker trays, enabling the user to easily carry the stacked sheets from the stacker.

Abstract: An auto document feeder includes a housing unit, spatially interconnected first and second paths, an inverting path in spatial communication with the first path, a bypass path spatially intercommunicating the second path and the inverting path, a feeding roller unit for feeding documents onto the first path, first and second transfer roller units disposed respectively on the first and second paths, an ejecting roller unit aligned with the second path and the inverting path, and a switching gate disposed between the ejecting roller unit and the second transfer roller unit and pivotable to extend onto the second path or the bypass path so as to guide movement of the documents.

Abstract: A sheet transport path switching mechanism includes a movable guide to be moved rotatably about a support shaft parallel to the width direction of a transport path so as to selectively take either a main posture where the movable guide directs a sheet to the downstream side of a main transport path relative to a branch point, and a branch posture where the movable guide directs a sheet to a branch transport path. An engagement hook is provided in an apparatus body and supports a central region in the longitudinal direction of the movable guide to prevent the movable guide from being deformed due to interference with a sheet fed toward the branch transport path. The mechanism prevents deformation of the movable guide while facilitating reduction in material and production costs and adequately meeting requirements of waste treatment.

Abstract: A sheet conveyance release mechanism has a movable guide unit and a fixed guide unit adjacent to the movable guide unit. The mechanism has a horizontal conveyance guide unit for conveying a sheet in a substantially horizontal direction, and a vertical conveyance guide unit for conveying a sheet in a substantially vertical direction. A jam release lever moves the movable guide unit from a first position adjacent to the fixed guide unit in the horizontal direction to a second position below the fixed guide unit, and moves the vertical conveyance guide unit so as to separate from a guide surface.

Abstract: A conveyor apparatus including a main conveyor by which mail items are routed by being nipped between a transport belt and a main belt, and a secondary conveyor towards which the mail items are routed, after switching, along a secondary belt. The main and secondary belts performing the main conveying and the secondary conveying functions are constituted by a single, common belt that is twisted twice. The twice-twisted belt is engaged over a tensioner pulley that is a floating pulley.

Abstract: The present invention comprises a shunting roller 41, and when recording media P, which is output from an image forming device main body 11, is stacked as a stack of recording media and staple processing is performed thereon, the shunting roller 41 rotates so as to receive subsequent recording media P in the wrapping direction thereof, while the first stack of recording media undergoes staple processing. The present invention also comprises a first branching pawl 44, for switching the direction of transport of recording media P between a transport path 42 and a processing unit 40, and a second branching pawl 47, for switching it between an output tray 45 and the shunting roller 41.

Abstract: A sheet transport path switching mechanism includes a movable guide to be moved rotatably about a support shaft parallel to the width direction of a transport path so as to selectively take either a main posture where the movable guide directs a sheet to the downstream side of a main transport path relative to a branch point, and a branch posture where the movable guide directs a sheet to a branch transport path. An engagement hook is provided in an apparatus body and supports a central region in the longitudinal direction of the movable guide to prevent the movable guide from being deformed due to interference with a sheet fed toward the branch transport path. The mechanism prevents deformation of the movable guide while facilitating reduction in material and production costs and adequately meeting requirements of waste treatment.

Abstract: A dual roll to move two separate media sheets simulatneously along a section of a media path. The dual roll includes a first path formed by a first nip, and a second path formed by a second nip. A drive roll forms a section of both nips. Methods of using the dual roll are also disclosed. In one embodiment, the method comprises rotating the drive roll to move a first sheet in a first direction and simultaneously moving a second sheet in a second direction.

Abstract: An apparatus for ejecting sheets from a sheet transport path onto an auxiliary stack disposed upstream of a main stack, includes a planar sheet guide surface having a sheet ejection opening formed therein. The sheet ejection opening is closed by a sheet separating element and a flap, in a closed state. The separating element and the flap also serve as guide elements during the ejection of sheets.

Abstract: A discharged sheet is conveyed, by a sheet conveying portion movable above sheet stacking portions while supporting a sheet, to selected one among plural sheet stacking portions. When the sheet is conveyed to the selected sheet stacking portion by the sheet conveying portion, a member for preventing a bringing-together provided in the main body of the apparatus prevents a sheet bundle, stacked in a sheet stacking portion at the upstream side of the selected sheet stacking portion, from being brought together by the sheet conveyed above the upstream sheet stacking portion by the sheet conveying portion.

Abstract: A sheet post-processing apparatus including: a sheet conveying section for conveying sheets to an intermediate stacker by a plurality of conveying rollers containing a conveying roller capable of changing the pressing force against an opposing roller; and a control section wherein, when the first sheet to be assigned to a succeeding bundle of sheets has passed through the conveying roller capable of changing the aforementioned pressing force, and has arrived upstream from the aforementioned intermediate stacker during post-processing a preceding bundle of sheets, the pressing force of the conveying roller capable of changing the aforementioned pressing force is made smaller than the value at the time of conveyance; and after a second sheet has passed through the conveying roller capable of changing the aforementioned pressing force, the pressure is changed to the value at the time of the conveyance.

Abstract: A gate assembly for diverting substantially flat articles is provided. The gate assembly comprises a mounting bracket having an upright support member and a mounting member secured to the upright support member and a diverter vane having a slot for slidably receiving at least a portion of the upright support member of the mounting bracket. A least one protrusion is formed on the mounting bracket and at least one recessed area is formed in the diverter vane with each recessed area receiving a corresponding protrusion of the mounting member. A motion mechanism secured to the mounting bracket for selectively moving the combined mounting bracket and diverter vane thereby diverting the articles to a predetermined desired location.

Abstract: An automatic document feeder includes a sheet input structure, a transfer path, a first guiding path, a second guiding path, a first guiding unit including first and second guiding strips, a second guiding unit, first and second temporary receiving paths and five roller assemblies. A first end of the first guiding strip is pivotally coupled to the position between the first guiding path and the second guiding path. A second end of the first guiding strip is sustained against the second guiding strip under the first guiding strip. A document is transported from the second guiding path into a first temporary receiving path or a second temporary receiving path through the upper surface of the second guiding strip. The document received in the first temporary receiving path or the second temporary receiving path is guided by the first guiding strip to be transported into the first guiding path.

Abstract: A sheet finisher for executing preselected processing with a sheet conveyed thereto of the present invention includes a first processing tray configured to temporarily store the sheet and deliver it. A first and a second path are positioned downstream of the first processing tray in a direction of sheet conveyance and configured to convey a first and a second sheet stack, respectively. The first path conveys the first sheet stack upward over the downstream portion of the first processing tray while the second path conveys it downward over the same. A switching device selects either one of the first and second paths. The sheet finisher of the present invention is low cost and highly productive and space saving.

Abstract: An image forming apparatus to reverse a sheet, includes a branched conveyance path branched from a connection point between an entry and conveyance path and a reversal and conveyance path provided downstream of the entry and conveyance path. When a sheet conveyor feeds the sheet from the entry and conveyance path into the reversal and conveyance path, a controller controls a gate member to be opened on the basis of a detection result of a sensor to detect the sheet until a leading edge of the sheet passes the gate member, switches the gate member to be closed before a trailing edge of the sheet reaches the gate member, subsequently switches a sheet reversing and conveying member to rotate reversely after the trailing edge of the sheet passes the gate member, thereby feeding the sheet into the branched conveyance path.

Abstract: The invention relates to a transport apparatus for a bank note processing machine wherein bank notes are supplied via a guiding element to a transport diverter in order to be diverted to a stacking pocket or stacking wheel. According to the invention an end area of the guiding element facing the transport diverter has a width decreasing in the transport direction. As a result, the bank note to be diverted leaves the guiding element successively so as to prevent the trailing bank note edge from hitting the surface of the diverter and reduces noise.

Abstract: A media path jam clearance apparatus installable in a supporting structure includes media drive mechanisms for moving flexible media through media paths and a rotatable, removable jam clearance element. Within the jam clearance element facing surfaces of guide elements define guide surfaces for media paths, with the guide elements having external surfaces capable of supporting the flexible media as it is wrapped around the external surfaces. A pivotal support element supports and enables rotational movement of the jam clearance element within the supporting structure. The jam clearance element may be partially or entirely extracted from the supporting structure.

Abstract: The present subject matter relates to the field of document material handling in high-speed in-line mailing systems. In particular, the present subject matter relates to a cross track divert device, system and method for diverting a suspect or invalid document from a paper pathway prior to the document entering a raceway conveyor. The cross track divert device is designed to divert and remove the suspect or invalid document without stoppage of the mailing system's operation cycle.

Abstract: A sheet transport path switching mechanism includes a movable guide to be moved rotatably about a support shaft parallel to the width direction of a transport path so as to selectively take either a main posture where the movable guide directs a sheet to the downstream side of a main transport path relative to a branch point, and a branch posture where the movable guide directs a sheet to a branch transport path. An engagement hook is provided in an apparatus body and supports a central region in the longitudinal direction of the movable guide to prevent the movable guide from being deformed due to interference with a sheet fed toward the branch transport path. The mechanism prevents deformation of the movable guide while facilitating reduction in material and production costs and adequately meeting requirements of waste treatment.

Abstract: A sheet finisher for executing preselected processing with a sheet conveyed thereto of the present invention includes a first processing tray configured to temporarily store the sheet and deliver it. A first and a second path are positioned downstream of the first processing tray in a direction of sheet conveyance and configured to convey a first and a second sheet stack, respectively. The first path conveys the first sheet stack upward over the downstream portion of the first processing tray while the second path conveys it downward over the same. A switching device selects either one of the first and second paths. The sheet finisher of the present invention is low cost and highly productive and space saving.

Abstract: An apparatus to switch a paper feed direction for an image forming device includes a paper guide part disposed across a paper feed path to move from an initial position to a paper passing position or a paper jam removing position by a force generated by passing of the paper, or external power; a supporting part to rotatably fix the paper guide part to a frame of the office machine; an elastic restoring part to restore the paper guide part from the paper jam removing position to the paper passing position; and a restoring force blocking part to block a force of the elastic restoring part from acting on the paper guide part until the paper guide part fixed to the supporting part rotates beyond the paper passing position.