Abstract: A sheet finishing apparatus includes a first conveyance path connected to a sheet conveyance inlet, a second conveyance path branching from the first conveyance path, a folding roller device disposed in the second conveyance path for folding the sheet, and a sheet discharge path arranged vertically parallel to the second conveyance path and guiding the folded sheet from the second conveyance path to a sheet conveyance outlet. The second conveyance path includes a first guide path located at a downstream side relative to the folding roller device and guiding a rear side of the sheet, and a second guide path located at an upstream side relative to the folding roller device and guiding a front side of the folded sheet conveyed from the folding roller device. A gate is formed for selectively guiding the folded sheet from the second guide path to the storage device or the sheet discharge path.

Abstract: A sheet finishing apparatus includes first and second conveyance devices for conveying a sheet on a sheet conveyance path, a folding roller device for folding the sheet disposed between the first and second conveyance devices, a folded sheet conveyance path for conveying a folded sheet from the folding roller device, and first and second stopper devices. The first and second stopper devices are respectively disposed downstream and upstream of the sheet conveyance path relative to the folding roller device. The first stopper device positions and aligns a leading edge of the sheet, and guides the sheet conveyed by the first conveyance device to the folding roller device, and the second stopper device positions and aligns a trailing edge of the sheet, and transfers the sheet reversely by the second conveyance device to the folding roller device.

Abstract: A sheet folding path for performing folding processing on a sequentially fed sheet to carry to the downstream side is made small and compact. An apparatus for performing folding processing on a sheet from a carry-in entrance 2 to guide to a carrying-out exit is provided with a first transport path 4 for guiding a sheet from the carry-in entrance to the carrying-out exit without performing folding processing, a second transport path 5 for performing folding processing on a sheet from the carry-in entrance 2 to guide to the carrying-out exit, folding processing means 8 disposed in the second transport path 5 to fold the sheet from the carry-in entrance 2, and control means for controlling driving of sheet transport means disposed in the first transport path 4 and the second transport path 5.

Abstract: A sheet finishing apparatus includes a first conveyance path connected to a sheet conveyance inlet, a second conveyance path branching from the first conveyance path, a folding roller device disposed in the second Conveyance path for folding the sheet, and a sheet discharge path arranged vertically parallel to the second conveyance path and guiding the folded sheet from the second conveyance path to a sheet conveyance outlet. The second conveyance path includes a first guide path located at a downstream side relative to the folding roller device and guiding a rear side of the sheet, and a second guide path located at an upstream side relative to the folding roller device and guiding a front side of the folded sheet conveyed from the folding roller device. A gate is formed for selectively guiding the folded sheet from the second guide path to the storage device or the sheet discharge path.

Abstract: A sheet finishing apparatus includes first and second conveyance devices for conveying a sheet on a sheet conveyance path, a folding roller device for folding the sheet disposed between the first and second conveyance devices, a folded sheet conveyance path for conveying a folded sheet from the folding roller device, and first and second stopper devices. The first and second stopper devices are respectively disposed downstream and upstream of the sheet conveyance path relative to the folding roller device. The first stopper device positions and aligns a leading edge of the sheet, and guides the sheet conveyed by the first conveyance device to the folding roller device, and the second stopper device positions and aligns a trailing edge of the sheet, and transfers the sheet reversely by the second conveyance device to the folding roller device.

Abstract: A sheet finishing apparatus includes a tray device for sequentially stacking and storing a sheet, a corner support device arranged between a discharge outlet and the tray device for supporting a corner of the sheet, and a finishing device for finishing the sheet on the corner support device. A first support device supports the corner support device to move between an operating position positioned in a sheet conveying path and a retracted position retracted from the operating position. A second support device supports the finishing device. The second support device is formed separately from the first support device and moves the finishing device between an operating position in the sheet conveying path to a retracted position retracted from the operating position. A drive device moves the first support device and the second support device from the operating positions to the retracted positions after finishing the sheet with the finishing device.

Abstract: A sheet punching apparatus includes a transport unit for receiving a sheet; a hole punching device for punching a hole in the sheet transported to the transport unit; a punch scrap container for storing punch scraps after the hole punching device punches the hole; a sweeping device for sweeping a top portion of the punch scraps stored in the punch scrap container to level the top portion; and a drive device for driving the hole punching device and the sweeping device. A sheet finishing apparatus and an image forming apparatus includes the sheet punching apparatus.

Abstract: An adhesive dispensing apparatus for dispensing an adhesive on a sheet bundle includes a support device for supporting the sheet bundle, a dispensing device disposed adjacent to the support device for dispensing the adhesive on an edge of the sheet bundle supported by the support device, and a transport device disposed adjacent to the support device for transporting the sheet bundle from the edge, to which the adhesive is applied, as a leading edge in a transport direction. A refilling device is provided for refilling the adhesive to the dispensing device, and a moving device moves the dispensing device between a dispending position where the adhesive is dispensed to the edge of the sheet bundle and a refilling position where the adhesive is supplied to the dispensing device from the refilling device.

Abstract: A sheet finishing apparatus for folding sheets includes first and second conveyance devices disposed in a sheet conveyance path. A first folding roller device is disposed between the first and second conveyance devices. A folded sheet conveyance path branches from the sheet conveyance path for conveying a folded sheet from the first folding roller devices, and a second folding roller device is disposed in the folded sheet conveyance path. The second conveyance device includes a roller device pair capable of both forward and reverse drives for nipping conveyance of a sheet. An aligning device for aligning and stopping a trailing edge of a sheet is disposed upstream in the sheet conveyance path. The apparatus provides a simple and compact configuration for folding sheets, and a method of accurately folding sheets without destroying existing folds or forming wrinkles.

Abstract: The corner support-means for supporting a corner of sheets, arranged between a discharge outlet and tray means is disposed, the corner support means composed of a plate shaped member. This plate shaped member is formed with all levels to the plane for a sheet discharge from the discharge outlet and is configured to move between an operating position and the retracted position within the plane that is substantially parallel to that discharge plane. The finishing means for finishing sheets on the corner support means, a first support means for supporting the corner support means to be moveable between an operating position positioned in the conveying path of sheets from the discharge outlet to the tray means, and retracted position retracted therefrom, and the second support means for supporting the finishing means are provided.

Abstract: A sheet transport apparatus includes a paper feed stacker for stacking a sheet; a first sheet control device for abutting against an edge of the sheet to control a width direction of the sheet and being movable in the width direction; a discharge device for discharging the sheet transported from the paper feed stacker and processed at a predetermined processing unit; a discharge stacker arranged to overlap the paper feed stacker for stacking the sheet; and a second sheet control device for controlling the width direction of the sheet by abutting against the side edge of the sheet discharged to the discharge stacker and being synchronized to a movement of the first sheet control devices. The second sheet control device has a contact member rotatable between a position for controlling the sheet and a position where the sheet can be removed.

Abstract: A sheet punching apparatus includes a transport unit for receiving a sheet; a hole punching device for punching a hole in the sheet transported to the transport unit; a punch scrap container for storing punch scraps after the hole punching device punches the hole; a sweeping device for sweeping a top portion of the punch scraps stored in the punch scrap container to level the top portion; and a drive device for driving the hole punching device and the sweeping device. A sheet finishing apparatus and an image forming apparatus includes the sheet punching apparatus.

Abstract: An image forming system which can ensure high operability according to an operator is provided. A control unit 950 of a digital copying machine 1A changes an image which is displayed on a touch panel 248 according to an ID specified by an IC card, a fingerprint of an operator, or input from the touch panel 248 corresponding to each operator in accordance with operator information stored in a hard disk 961. The control unit 950 raises contrast of the image by changing the tone when an operator is the aged, makes an image to be displayed recognizable by changing the color when an operator the colorblind, indicates an image by enlarged characters when an operator is the poor sighted or a person with trembling fingers, changes languages according to an operator, and adjusts height of the touch panel 248 according to height of an operator.

Abstract: An image forming apparatus forms an image on a page of a booklet having different size pages. The image forming apparatus includes a setting unit for determining an image forming area on a page having the smallest size; a magnification modification unit for modifying a magnification of an original image on an original document so that the original image fits the image forming area set by the setting unit; and an image forming unit for forming the original image at the magnification modified by the magnification modification unit on the different size pages.

Abstract: A sheet perforation apparatus of which number of parts is reduced is provided. Operation pins 251 of punches 250 penetrate pin penetration apertures 221a, 222a and engage guide grooves 210b, 211b formed at sliders 210, 211. The guide grooves 210b, 211b are formed by three groove portions of an upper horizontal groove portion, an inclined groove portion and a lower horizontal groove portion. The sliders 210, 211 are fixed to a slide holder 201 having an engagement pin 202 which engages a cam groove 287a formed at a shaft 287. By rotating a motor 280 normally, the operation pins 251 slide the inclined groove portion so that the punches 250 advance to a perforation position to conduct perforation processing of two holes, and by rotating the motor 280 reversely, the punches 250 conduct perforation processing of three holes. The sliders 210, 211 are common regardless of the number of the punches 250.

Abstract: An adhesive dispensing apparatus and image forming apparatus include a support device for supporting a sheet bundle, a dispensing device for dispensing an adhesive to an edge of the sheet bundle supported by the support device, and a transport device for transporting the sheet bundle with the edge having the adhesive dispensed by the dispensing device as a leading edge. A cover can be securely attached to the sheet bundle.

Abstract: A sheet transport apparatus includes a paper feed stacker for stacking a sheet; a first sheet control device for abutting against an edge of the sheet to control a width direction of the sheet and being movable in the width direction; a discharge device for discharging the sheet transported from the paper feed stacker and processed at a predetermined processing unit; a discharge stacker arranged to overlap the paper feed stacker for stacking the sheet; and a second sheet control device for controlling the width direction of the sheet by abutting against the side edge of the sheet discharged to the discharge stacker and being synchronized to a movement of the first sheet control device. The second sheet control device has a contact member rotatable between a position for controlling the sheet and a position where the sheet can be removed.

Abstract: An original transport apparatus includes an original tray for stacking an original; a feed device for feeding the original to a feeding position; a transport device for transporting the original from the feeding position to a discharge outlet via a reading position; a switchback path disposed adjacent to the discharge outlet for switching back to turn over the original; a re-feed path for guiding the original to the feeding position; and a discharge device disposed at a downstream side of the switchback path for discharging the original to a discharge tray. After both sides of the original are read, the original is fed to the feeding position via the switchback path. The feed device transports the original via the reading position while the original is overlapped with the next original, and the discharge device discharges the first original via the discharge outlet.

Abstract: A sheet post-processing device includes a placement unit for placing sheets discharged from an image forming apparatus, an offset unit for successively offsetting an edge of each sheet on the placement unit, and a saddle stitching unit for saddle stitching a stack of the sheets with the edge of each sheet shifted by the offset unit. The sheet post-processing device may include a folding unit for folding the stack of the sheets along a line where the sheets are stitched.

Abstract: An image forming system which can ensure high operability according to an operator is provided. A control unit 950 of a digital copying machine 1A changes an image which is displayed on a touch panel 248 according to an ID specified by an IC card, a fingerprint of an operator, or input from the touch panel 248 corresponding to each operator in accordance with operator information stored in a hard disk 961. The control unit 950 raises contrast of the image by changing the tone when an operator is the aged, makes an image to be displayed recognizable by changing the color when an operator the colorblind, indicates an image by enlarged characters when an operator is the poor sighted or a person with trembling fingers, changes languages according to an operator, and adjusts height of the touch panel 248 according to height of an operator.