Abstract: A recording material processing apparatus includes a processing tray, a detecting unit, a stapling unit, an instructing unit, a control unit, a switching unit, and a notifying unit. The detecting unit detects recording material placed in the processing tray. The stapling unit executes a stapling process for the recording material placed in the processing tray. The instructing unit outputs a stapling process execution instruction. Upon receipt of the execution instruction in a state in which the detecting unit has detected a recording material inserted in the processing tray from an outside of a main body of a main body apparatus, the control unit cause the stapling process to be executed. The switching unit switches a position of the stapling unit among a plurality of positions. The notifying unit provides notification of a placement position of the recording material in the processing tray corresponding to each of the plurality of positions.

Abstract: A recording material processing apparatus includes a processing tray, a detecting unit, a stapling unit, an instructing unit, a control unit, a switching unit, and a notifying unit. The detecting unit detects recording material placed in the processing tray. The stapling unit executes a stapling process for the recording material placed in the processing tray. The instructing unit outputs a stapling process execution instruction. Upon receipt of the execution instruction in a state in which the detecting unit has detected a recording material inserted in the processing tray from an outside of a main body of a main body apparatus, the control unit cause the stapling process to be executed. The switching unit switches a position of the stapling unit among a plurality of positions. The notifying unit provides notification of a placement position of the recording material in the processing tray corresponding to each of the plurality of positions.

Abstract: According to one embodiment, a sheet post-processing apparatus includes a guide member, a matching member, a post-processing mechanism, a support member, and a drive unit. The guide member has a loading surface on which a sheet is loaded in a standing state. The matching member supports a lower end of the sheet loaded on the guide member in a free raising and lowering manner. The post-processing mechanism performs post-processing on the sheet. The support member supports the matching member. The drive unit raises and lowers the support member. The matching member is configured to be raised and lowered with respect to the support member.

Abstract: A sheet alignment apparatus includes a supporting portion configured to support a sheet, a first alignment member configured to abut an end portion in a first direction of the sheet supported by the supporting portion and align a position of the sheet in the first direction, a first moving unit configured to move the first alignment member in the first direction, a second alignment member configured to abut an end portion in a second direction of the sheet supported by the supporting portion and align a position of the sheet in the second direction, the second direction being perpendicular to the first direction, and a second moving unit configured to move the second alignment member in the second direction, wherein the first moving unit is disposed below the supporting portion, and wherein the second moving unit is disposed above the supporting portion.

Abstract: A sheet stacking apparatus includes a discharge unit, a stacking portion on which discharged sheets are stacked, a lifting unit, and first and second abutting portions. The lifting unit lifts and lowers the stacking portion. The first abutting portion abuts a trailing end of the stacked sheets in a sheet discharge direction. The first abutting portion does not move in an up-down direction. The second abutting portion abuts the stacked sheets trailing end. The first abutting portion supports the second abutting portion such that the second abutting portion is movable in the up-down direction. If the stacking portion is lowered from a first to a second position below the first position, the second abutting portion does not move in accordance with the stacking portion. If the stacking portion is further lowered beyond the second position, the second abutting portion moves in accordance with the stacking portion.

Abstract: A method of folding a sheet of paper. The method includes: folding the sheet of paper into an accordion shape comprising a plurality of pleats and collapsing the pleats to form a strip; folding the strip about in half to form a first folded strip; folding the first folded strip about a point that is about two-thirds a length of the first folded strip to form a second folded strip comprising an exposed portion that is about a third the length of the first folded strip; and folding the second folded strip about in half to form a third folded strip.

Abstract: A first unit includes a receiving portion that receives a medium to be processed, a drying unit that processes the medium received from the receiving portion, and an end stitching unit that processes the medium received from the receiving portion or the medium processed by the drying unit. The processing performed by the drying unit is processing of drying the medium, the drying unit is located vertically below the end stitching unit, and the drying unit and the end stitching unit have a portion overlapping when viewed in a vertical direction.

Abstract: A post-processing device includes a carrying roller, a conveying member, a transporting member and a processing part. The carrying roller is configured to be rotated to carry a sheet one by one to a processing tray along a conveyance direction. The conveying member is configured to convey the sheet carried by the carrying roller to a receiving position on the processing tray. The conveying member has a rotation shaft and a plurality of contact pieces protruding from the rotation shaft so as to come into contact with the sheet carried on the processing tray. The contact piece is made of elastic material. The conveying member is rotated at a rotation speed higher than a rotation speed of the carrying roller when the sheet carried by the carrying roller is conveyed to the receiving position on the processing tray.

Abstract: A media folding device includes a stacking portion on which media transported from an introduction path are placed; a folding roller pair that folds the media at a folding position after the media have been stacked in the stacking portion; and a bend forming mechanism that includes a first abutting portion configured to abut against a front end of the media, which are stacked in the stacking portion, in a transport direction, and a second abutting portion that is configured to abut against a rear end of the media, which are stacked in the stacking portion, in the transport direction, and that causes the folding position of the media to be nipped by the folding roller pair the folding roller pair by shortening the relative distance between the first abutting portion and the second abutting portion to bend the media toward the folding roller pair.

Abstract: A stapling apparatus including a holding portion that receives and holds a plurality of mediums, a first matching portion positioned downstream of the holding portion, a paddle that applies sending force to the mediums so that leading edge sides of the mediums reach the first matching portion, a stapler that binds the mediums, the leading edge sides of the mediums having been matched by the first matching portion, a folding mechanism portion that folds the mediums that have been bound by the stapler. In the stapling apparatus, the first matching portion is configured to move and is configured to transport the mediums to a performing position of the stapler and a performing position of the folding mechanism portion by moving, and a position where the paddle applies sending force to the mediums differs according to lengths of the mediums in a transport direction.

Abstract: A stapling apparatus includes a stapler, a driver to move the stapler, and a guide part to define a moving path along which the stapler is to move in response to selection of the moving path among a plurality of moving paths along which the stapler is movable.

Abstract: Provided is an image forming apparatus configured to form an image on a sheet. A case binding apparatus is configured to cut predetermined sides of a sheet bundle formed by binding a plurality of sheets to perform bookbinding. The case binding apparatus includes a cutting-waste box configured to collect cutting waste produced by the cutting and a cutting-waste full load detection sensor configured to detect a fully loaded state of the cutting-waste box with the cutting waste collected in the cutting-waste box. When the sheet onto which the image is to be formed is not a last sheet in the sheet bundle, the image forming apparatus does not interrupt image formation processing in response to the fully loaded state of the waste box detected by the detector when an order of the sheet in the sheet bundle is smaller than a predetermined order.

Abstract: Disclosed herein is an image forming system enabling size reduction of apparatus. In the system, a sheet drying unit and a sheet post-processing unit are arranged, respectively above and below a sheet holding section to which sheets are ejected from an image forming apparatus A. Further, a relay transporting unit is provided, which is configured to transport a sheet from the sheet drying unit to a sheet post-processing unit. The relay transporting unit is formed, surrounding the sheet holding section.

Abstract: A post-processing apparatus that performs, by one or more functional units which can be switched one another, predetermined post-processing corresponding to a function of the one or more functional units on a conveyed paper includes: a plurality of slots in which the one or more functional units can be loaded at respective loading positions along a conveyance path; a loading detector that detects that the one or more functional units are loaded in the slots; and a condition output part that outputs a condition that allows the post-processing depending on the loading positions of the slots in which the one or more functional units are loaded.

Abstract: An MFP that accepts instructions to execute jobs includes, and takes holding units that hold sheets that can be subjected to binding processing specified by a job, where the holding units are considered search targets in an automatic selection process. The MFP performs auto paper selection on the holding units as the search targets, and if there is a candidate holding unit, feeds sheets to be used for printing from the holding unit and performs printing.

Abstract: An MFP receives print data from an information processing apparatus, such as a mobile terminal or a PC. It is determined whether a predetermined character code is included as content in the received print data. A setting is changed so that the post-processing is performed in a position based on a right end of a printed matter in accordance with the determination before the printed matter is output.

Abstract: A sheet processing apparatus comprising: a scoring unit which scores a sheet; a folding unit which folds a sheet bundle including a plurality of sheets; a pressing unit which presses a folded part of the sheet bundle folded by the folding unit; and a controller which determines, based on information on the sheet bundle, whether the scoring unit scores the sheet included in the sheet bundle to be folded and whether the pressing unit presses the folded part of the sheet bundle.

Abstract: A post processing apparatus includes: a reader that reads paper on which an image is formed by an image forming apparatus to acquire a read image; a post processor that performs post processing on the paper; and a hardware processor that detects a position of an edge of the paper and a position of the image from the read image acquired by the reader, and controls a post processing position in the post processor on the basis of the position of the edge of the paper and the position of the image detected.

Abstract: An MFP that accepts instructions to execute jobs includes, and takes holding units that hold sheets that can be subjected to binding processing specified by a job, where the holding units are considered search targets in an automatic selection process. The MFP performs auto paper selection on the holding units as the search targets, and if there is a candidate holding unit, feeds sheets to be used for printing from the holding unit and performs printing.

Abstract: A sheet binding processing apparatus includes a binding device which performs a binding process on a sheet bundle stacked on a stacking unit and a sheet bundle set at a manual setting portion, the stacking unit stacking introduced sheets, a sheet bundle being set to the manual setting portion from an outside; a moving portion which moves the binding device to a first binding position for performing the binding process on a sheet bundle stacked on the stacking unit and a second binding position for performing the binding process on a sheet bundle set at the manual setting portion; and a controller which causes the binding device, in a case that the binding process is not performed on a sheet bundle stacked on the stacking unit, to wait due to the moving portion at a position different from the first binding position.

Abstract: In accordance with an embodiment, a post-processing apparatus comprises a knocking section, a receiving section, a driving section and a pressing section. The knocking section knocks a staple in a sheet. The receiving section faces the knocking section. The receiving section receives the sheet in which the staple is knocked from the knocking section. The driving section can change an interval between the knocking section and the receiving section in an opposite direction in which the knocking section and the receiving section face each other. The pressing section extends continuously in a sheet width direction. The pressing section presses the sheet before the staple is knocked in the sheet.

Abstract: A process for the production of multipage information leaflets or slips, the information leaflet provided with a booklet structure including two or more pages, the process including in sequence the steps of: loading and feeding of a ream of sheets printed on one or both sides, taking of a single sheet from the ream and gluing along an edge portion of the single sheet, multiple folding of the single sheet on itself along the glued portion to define a folded sheet, cutting of the folded sheet to define the multipage information leaflet with the pages connected one to the other only at a joining area in proximity of an edge, pressing of the information leaflet at the joining area, accumulation and collection of the finished information leaflets and optional rejecting of the leaflets which do not comply with the production specifications.

Abstract: A sheet binding apparatus includes a stack portion on which sheets are stacked; a manual setting portion, different from the stack portion, to which sheets are manually set from an outside of the apparatus; a first binding portion binding sheets stacked on the stack portion and set on the manual setting portion, the first binding portion being movable to a first position where sheets on the stack portion are bound and to a second position, different from the first position where sheets set on the manual setting portion are bound; and a second binding portion binding sheets stacked on the stack portion, the second binding portion being different from the first binding portion. The first position is set, with respect to a moving direction of the first binding portion, between the second position and a third position where the second binding portion binds sheets stacked on the stack portion.

Abstract: A sheet processing device includes: a conveying module that conveys a folded sheet; and a pressing module that presses a folded part of the folded sheet by rotating about a direction orthogonal to a sheet conveying direction of the conveying module as a rotation axis. The pressing module includes a projecting part arranged in a certain range in a direction of the rotation axis along a circumferential surface about the rotation axis. The projecting part is formed to be symmetric with respect to a middle part of the rotation axis in the direction of the rotation axis, and the projecting part arranged on one side from the middle part along the direction of the rotation axis are formed such that a position of the projecting part in a rotational direction of the circumferential surface varies along the direction of the rotation axis.

Abstract: An apparatus for folding articles advancing in a machine direction including a rotatable roll having a roll surface, at least one protrusion that defines an outermost surface of the roll and at least one pocket that defines an innermost surface of the roll. The apparatus also includes a first and second vacuum conveyor assembly, each comprising two vacuum conveyors. The roll and the vacuum conveyor assemblies are cooperatively configured to fold an article.

Abstract: A sheet binding processing apparatus includes a binding device which performs a binding process on a sheet bundle stacked on a stacking unit and a sheet bundle set at a manual setting portion, the stacking unit stacking introduced sheets, a sheet bundle being set to the manual setting portion from an outside; a moving portion which moves the binding device to a first binding position for performing the binding process on a sheet bundle stacked on the stacking unit and a second binding position for performing the binding process on a sheet bundle set at the manual setting portion; and a controller which causes the binding device, in a case that the binding process is not performed on a sheet bundle stacked on the stacking unit, to wait due to the moving portion at a position different from the first binding position.

Abstract: A sheet processing apparatus includes, a punch unit configured to perform punching processing on a sheet conveyed from one of a plurality of sheet storing units capable of storing a sheet or a pre-punched sheet, an input unit configured to input a number of holes punched in the pre-punched sheet stored in one of the sheet storing units, an acquisition unit configured to acquire a number of holes that can be punched by the punch unit, a determination unit configured to determine whether the input number of holes coincides with the acquired number of holes that can be punched, and a control unit configured to display a predetermined warning in a case where the determination unit determines that the input number of holes does not coincide with the acquired number of holes that can be punched.

Abstract: A sheet processing apparatus capable of creating fold sections suitable for an apparatus that performs saddle-stitch processing on fold sections. A sheet processing apparatus includes a printer engine configured to form an image on a recording sheet. The sheet processing apparatus sets a bookbinding lap which is a distance between a first sheet end and a second sheet end of the recording sheet assumed to have been folded in two. A finisher creates the fold section by forming a folding line on recording sheets according to a reference line which is shifted from the centerline of the recording sheet by the bookbinding lap.

Abstract: A sheet processing apparatus which vertically conveys a sheet and performs sheet processing, the sheet having a folded part at a middle portion thereof and being in a vertical state with the folded part up and an edge part down, and the apparatus including: a supporting section which supports the folded part of the sheet from below; a sandwiching section which sandwiches both sides of the sheet supported by the supporting section; and a control section which controls the sandwiching section to execute a first sandwiching operation of sandwiching the sheet, to release the first sandwiching operation, and thereafter to execute a second sandwiching operation of sandwiching the sheet again.

Abstract: A fold-enhancing device includes a pressing member, at least one retaining member, and a moving mechanism. The pressing member presses against a fold line of a recording-medium bundle folded into a booklet shape. The recording-medium bundle is obtained by stacking multiple sheets of recording media. The retaining member retains the recording-medium bundle and is provided at a position located away from the fold line in a direction intersecting the fold line and not in contact with the pressing member. The moving mechanism moves the pressing member and the retaining member in a direction extending along the fold line.

Abstract: A sheet processing apparatus includes a saddle unit on which a mountain-folded sheet folded along a folding line is accumulated so as to straddle the saddle unit, a staple inserting section disposed above the saddle unit, and a staple receiving section accommodated in the saddle unit. The staple inserting section includes an inserting unit which inserts a staple into the folding lines of the sheets, and holding members disposed on both sides of the inserting unit in a direction parallel to the folding lines of the sheets. The staple receiving section includes a staple receiving unit which receives and bends the tips of the staple inserted by the inserting unit, and supporting members disposed on both sides of the staple receiving unit at positions opposite to the holding members.

Abstract: A recording medium binding apparatus include a cutting unit that is capable of cutting a first end and a second end of each of recording media; a transport unit that transports the recording media; a stacking unit on which the recording media are stacked; a recording medium aligning unit that aligns the recording media by pressing each recording medium by coming into contact with the first end and the second end of the recording medium every time the recording medium is stacked on the stacking unit, the recording medium aligning unit changing an operation of coming into contact with and separating from the recording medium when pressing the recording medium according to whether the recording medium has been cut or the recording medium has not been cut; and a binding unit that binds a recording medium stack formed by stacking the recording media aligned by the recording medium aligning unit.

Abstract: A sheet processing apparatus is configured to press a fold line that is formed on a sheet. The sheet processing apparatus includes: a sheet supporting unit configured to support the sheet in a pressing direction for pressing the fold line; a pressing unit configured to press the fold line that is formed on the sheet that is supported by the sheet supporting unit; and a pressing-force generating unit configured to generate a pressing force for pressing the sheet supporting unit against the pressing unit at a central part in a direction along which the fold line is formed.

Abstract: A recording material post-processing device includes: a recording material receiving unit that receives a recording material on which an image is formed from an image forming apparatus, the apparatus including an image forming unit that forms an image on a recording material to be transported, and a detection unit that detects a position of the recording material, on which the image is to be formed by the image forming unit, in a direction intersecting a transport direction of the recording material; a post-processing unit that performs post processing on the recording material received via the recording material receiving unit from the image forming apparatus; and a moving unit that moves the post-processing unit in the direction intersecting the transport direction of the recording material based on information related to the position of the recording material detected by the detection unit of the image forming apparatus.

Abstract: A post-processing apparatus comprises a first processing tray on which fed paper is placed; a paper binding section configured to bind a plurality of sheets of paper stacked on the first processing tray into one bundle; a second processing tray which a plurality of paper bundles bound on the first processing tray are sequentially conveyed to and placed on; a paper bundle gluing section configured to coat glue at a given position of the top surface of a first paper bundle placed on the second processing tray before a second paper bundle is placed on the first paper bundle; a pressing section configured to press and bind the first paper bundle with the second paper bundle between which glue is coated; and a control section configured to control the timing for conveying the second paper bundle onto the first paper bundle after the glue is coated.

Abstract: A sheet-stapling apparatus mounts a center-folded booklet and staples the booklet at a fold of the booklet by a staple. The sheet-stapling apparatus has a supporting member that mounts the center-folded booklet, a pushing member that pushes the booklet to the supporting member, a stapler that penetrates the staple through the booklet and a clincher that clinches legs of the staple to bind the booklet. The pushing member has a groove that pushes the fold of the booklet and maintains the fold of the booklet at a pushing angle. The supporting member forms the space between the clincher and the booklet.

Abstract: A post-processing apparatus includes a first sheet mount section to place sheets in the shape of a bunch, a second sheet mount section to place sheets in the shape of a bunch, a binding processing unit disposed to be able to shift to a first position to bind sheets placed in the first sheet mount section and a second position to bind sheets placed in the second sheet mount section, and a regulation device that does not position the sheets in the shape of a bunch in an area of the binding processing unit when the binding processing unit is not positioned in the second position.

Abstract: A sheet processing apparatus includes a trimming section, a container, a detector and a control section. The trimming section performs trimming to trim a sheet or sheet set. The container collects a chip produced by the trimming in the trimming section. The detector detects a presence of the chip at a predetermined height. The control section makes the trimming section perform the trimming of a next sheet or sheet set when the detector detects the chip. Then, the control section determines that a top of piled chips in the container has reached the predetermined height when the detector still detects the presence of the chip after the trimming of the next sheet or sheet set.

Abstract: The present invention includes a first post-processor equipped with a paper turn-over unit for paper and a paper surface processing unit adapted to process a paper surface of the paper; a second post-processor configured to be different from the first post-processor and located downstream of the first post-processor in a paper transport direction; and a controller adapted to control the first post-processor and the second post-processor, wherein the controller determines whether to use the paper turn-over unit, according to a combination of a post-processing mode which uses the first post-processor and a post-processing mode which uses the second post-processor.

Abstract: A sheet processing device conveys a paper sheet onto which an adhesive is applied, and includes a bonding member that applies adhesives onto the conveyed paper sheet at intervals in a sheet width direction; and a protruding guide that is positioned on a conveying path, downstream of the bonding member in a sheet conveying direction, and guides the paper sheet, facing an adhesive-applied surface of the paper sheet. The protruding guide is positioned between sheet width direction lines of the adhesive-applied position and includes a protruding portion protruding into the conveying path. With this configuration, it is possible to suppress the adhesive from being adhered to a device component even in a configuration in which an adhesive-applied paper sheet is moved inside the device to make a sheet jam due to the adhesion less likely to occur.

Abstract: A sheet processing apparatus includes a vertically movable tray that moves vertically in accordance with an amount of stacked folded sheets which are transported and stacked thereon, a plate that is disposed above the vertically movable tray and that does not move in accordance with transport of a folded sheet, a recognizing unit that recognizes a predetermined height state of a sheet stacked on the vertically movable tray, and a controller that controls the vertically movable tray so as to, in response to a recognition of the predetermined height state of the sheet by the recognizing unit, move the vertically movable tray upward, press the sheet stacked on the vertically movable tray against the plate, and subsequently move the vertically movable tray downward.

Abstract: The purpose of the present invention is to provide a sheet bundle binding processing apparatus which can be structured small and compact while a setting portion for manually setting a sheet bundle from the outside is arranged at an external casing. The present invention comprises a sheet bundle binding processing apparatus including a manual setting portion to which a sheet bundle is inserted, a binding device which binds a sheet bundle inserted to the manual setting portion, a first driving portion, and a second driving portion; the first driving portion and the second driving portion being arranged respectively at the upper side and the lower side as sandwiching the manual setting portion.

Abstract: An after-processing device for performing sheet folding includes a pair of folding rollers, a heating member, and a supporting unit. The pair of folding rollers is configured to fold a sheet. The heating member is located downstream of the pair of folding rollers in terms of a sheet conveyance direction. The supporting unit supports the heating member in a manner such that position of the heating member in terms of the sheet conveyance direction is changeable in accordance with an amount of conveyance imparted on the sheet by the pair of folding rollers after folding. The position of the heating member in terms of the sheet conveyance direction changes such that the heating member is in contact with a leading edge of a fold portion of the sheet.

Abstract: The present invention is concerning to a sheet processing apparatus comprising: a pressing member configured to press a folding line portion of a sheet bundle being folded; and a moving unit configured to move the pressing member to a folding line direction of the sheet bundle, wherein the pressing member pressurizes a part of the sheet bundle corresponding to a downstream side of a conveyance direction of the sheet bundle.

Abstract: A post-processing apparatus includes a suspension member that suspends a center-folded booklet by being inserted into the booklet along a fold of the booklet, a pair of clamp members that are disposed so as to face outer surfaces of the booklet suspended by the suspension member and that clamp the booklet by moving closer to each other, and a post-processing mechanism that performs a post-processing operation on the booklet clamped by the clamp members. The suspension member includes an upwardly tapering portion whose thickness between opposing sheets of the booklet, into which the suspension member has been inserted, gradually decreases upward, and the suspension member supports an inner surface of the booklet with the upwardly tapering portion.

Abstract: First and second buffer roller pairs are driven such that a sheet conveyed sequentially by a conveying roller pair is overlapped with a standby sheet by shifting in a sheet conveying direction and such that the overlapped sheets standby at a branch path. A shift length in overlapping the standby sheet with the conveyed sheet is set such that the more the number of times of drawal into the branch path of the sheet, the shorter the shift length becomes. Thereby, the shift length between the respective sheets turns out to be a predetermined shift length in overlapping the standby sheets with a final conveyed sheet and conveying the sheets to an intermediate processing tray.

Abstract: The present invention is concerning to a sheet processing apparatus comprising: a pressing unit configured to provide additional folding to a fold line portion of a sheet bundle by pressing the fold line portion; a carriage unit configured to reciprocate the pressing unit in width directions of the sheet bundle; a guiding shaft configured to support the pressing unit and guides movement of the pressing unit; and a supporting unit configured to support the pressing unit and moves on a structure provided to the sheet processing apparatus.

Abstract: A sheet processing apparatus comprises a pressing member configured to press a fold line portion of a folded sheet bundle; and moving unit configured to move a position of pressing by the pressing member in a direction of a fold line of the folded sheet bundle, wherein the moving unit is configured to stand by at a pressing start position in which the pressing member is in a non-pressing state, before the folded sheet bundle is conveyed to the pressing member.

Abstract: A method for operating a thread stitching machine for processing printed sheets to form book blocks includes providing at least one sewing station with an active connection to at least one stitching saddle and providing the at least one stitching saddle with an active connection to at least one transporting system. The printed sheets are supplied to the at least one stitching saddle, using the at least one transporting system, in at least one of a substantially vertical and a substantially horizontal plane relative to the at least one stitching saddle. At least the printed sheets in the substantially vertical plane are supplied directly onto the at least one stitching saddle or to a region of the at least one stitching saddle. The printed sheets are supplied to the at least one sewing station resting astride the at least one stitching saddle.

Abstract: A sheet processing apparatus 3 includes a position aligning section (61A, 61B), a holding section 53, and a processing section (38, 55). The position aligning section (61A, 61B) abuts the inner side or a fold of a sheet bundle (S2), which is formed by collecting a plurality of folded sheets (S1), to align the position of the folds of line plurality of folded sheets (S1). The holding section (53) holds the sheet bundle (S2) in which the position of the folds of the plurality of sheets (S1) has been aligned by the position aligning section (61A, 61B). The processing section (38, 55) performs a predetermined process on the sheet bundle (S2) held by the holding section 53.