Abstract: A post-processing apparatus for performing post-processing on a sheet having an image formed thereon, the post-processing at least including case bookbinding by using paste, the apparatus including: a paste applicator having a paste application member and configured to supply paste to coat a back of a sheet bundle with the paste; a pressurization member for pressing a cover onto the back of the sheet bundle with the paste coated thereon; and a controller configured to receive information relating to a cover gutter setting on the sheet bundle and to perform control over the paste applicator and the pressurization member, the controller being configured to cause, in a guttered cover setting, the paste to overflow in a larger amount from the back of the sheet bundle toward a gutter than an amount of overflow in a non-guttered cover setting based on the information relating to the cover gutter setting.

Abstract: A post-processing apparatus for performing post-processing on a sheet having an image formed thereon, the post-processing at least including case bookbinding by using paste, the apparatus including: a paste applicator having a paste application member and configured to supply paste to coat a back of a sheet bundle with the paste; a pressurization member for pressing a cover onto the back of the sheet bundle with the paste coated thereon; and a controller configured to receive information relating to a cover gutter setting on the sheet bundle and to perform control over the paste applicator and the pressurization member, the controller being configured to cause, in a guttered cover setting, the paste to overflow in a larger amount from the back of the sheet bundle toward a gutter than an amount of overflow in a non-guttered cover setting based on the information relating to the cover gutter setting.

Abstract: A paper sheet stacking apparatus includes: a stacking tray on which paper sheets are stacked; a driving section to drive the stacking tray in up and down directions corresponding to a height of the paper sheets stacked; a paper-sheet upper surface detecting section to detect an upper-most surface of the paper sheets to be stacked onto the stacking tray; a position detecting section to detect a position of the stacking tray by using a plurality of sensors respectively disposed at different positions arranged in a vertical direction, along which the stacking tray moves up and down; and a control section that determines whether or not the stacking tray is currently in a full loaded condition, based on the position of the stacking tray.

Abstract: When implementing a purge processing for collecting a retention paper sheet remaining within an image forming system so as to eject the collected retention paper sheet to a plurality of paper sheet ejecting trays of a paper sheet ejecting section, based on paper sheet information regarding a paper sheet feeding tray from which each of the retention paper sheets is fed, a control section controls the paper sheet ejecting section so as to eject the retention paper sheets onto the plurality of paper sheet ejecting trays, in such a manner that a first retention paper sheet fed from a specific paper-sheet feeding tray is ejected separately from a second retention paper sheet fed from a paper sheet feeding tray other than the specific paper-sheet feeding tray.

Abstract: A paper sheet stacking apparatus includes: a stacking tray on which paper sheets are stacked; a driving section to drive the stacking tray in up and down directions corresponding to a height of the paper sheets stacked; a paper-sheet upper surface detecting section to detect an upper-most surface of the paper sheets to be stacked onto the stacking tray; a position detecting section to detect a position of the stacking tray by using a plurality of sensors respectively disposed at different positions arranged in a vertical direction, along which the stacking tray moves up and down; and a control section that determines whether or not the stacking tray is currently in a full loaded condition, based on the position of the stacking tray.

Abstract: When implementing a purge processing for collecting a retention paper sheet remaining within an image forming system so as to eject the collected retention paper sheet to a plurality of paper sheet ejecting trays of a paper sheet ejecting section, based on paper sheet information regarding a paper sheet feeding tray from which each of the retention paper sheets is fed, a control section controls the paper sheet ejecting section so as to eject the retention paper sheets onto the plurality of paper sheet ejecting trays, in such a manner that a first retention paper sheet fed from a specific paper-sheet feeding tray is ejected separately from a second retention paper sheet fed from a paper sheet feeding tray other than the specific paper-sheet feeding tray.

Abstract: A book binding system comprising an image forming apparatus for forming images on a sheet, a book binding apparatus having a coating section for coating adhesive onto the spine of a sheet bundle and forming a booklet by coating adhesive and binding a plurality of sheets on which images have been formed at the image forming device, and a coating control section for controlling a coating amount of the adhesives of the coating section in accordance with the sheet type.

Abstract: An image forming system including an image forming apparatus and a book binding apparatus, the image forming system includes: a first detection section which detects maximum and minimum book-body sheet length in the bundle of the book-body sheets; a second detection section which detects a thickness of the bundle of the book-body sheets; a third detection section which detects a cover sheet length; a selection section to select whether the cover sheet length is determined based on the maximum book-body sheet length or on the minimum book-body sheet length; a calculation section which calculates a cutting amount of the cover sheet according to the selection; a trimming section which cuts the cover sheet based on the calculated cutting amount; and a book binding section which encases the bundle of sheets of the book-body with the U-shaped cover sheet.

Abstract: A sheet processing apparatus, including: a booklet making section for making a booklet by covering a sheet bundle comprised of a plurality of sheets with a cover in a U-shape; a folding section for forming a fold-line on a coversheet, which covers the booklet made by the book making section; cover sheet conveyance section for conveying the coversheet; a measurement section for measuring a thickness of the sheet bundle; and a control section for controlling operations of the cover sheet conveyance section and the folding section to determine a folding position on the coversheet and form a fold-line on the folding position; wherein the folding position has been determined based on size information of the coversheet, size information of a sheet of the sheet bundle and thickness information of the sheet bundle measured by the measurement section.

Abstract: A book-binding apparatus having: a reception vessel to receive glue in liquid form; application section to apply the glue in the reception vessel to a sheet; a hopper to receive a raw material of the glue for refill; a refilling section to refill the raw material of the glue from the hopper to the reception vessel; and a control section to control the refilling section, wherein the raw material of the glue is refilled into the reception vessel in a period where application of the glue is not carried out after application of the glue is completed.

Abstract: A sheet conveying apparatus is connected between an image forming apparatus and a post-processing apparatus to receive the sheet ejected from the image forming apparatus, and to eject the sheet to the post-processing apparatus. The sheet conveying apparatus receives, from the post-processing apparatus, a sheet reception line speed information showing a line speed for the post-processing apparatus to receive the sheet, and receives, from the image forming apparatus, a sheet ejection line speed information showing a line speed for the image forming apparatus to eject the sheet. A conveyance line speed control section controls the conveyance line speed at the time of receiving the sheet from the image forming apparatus based on a sheet ejection line speed information, and controls the conveyance line speed at the time of ejecting the sheet to the post-processing apparatus based on a sheet reception line speed information.

Abstract: In a sheet post processing apparatus having a folding device that carries out the process of book folding by folding either one sheet or a plurality of sheets at a time on the sheets discharge from the image forming apparatus, a sheet stacking section that successively stacks the booklet-folded sheets, and a control unit that controls the sheet post processing apparatus, said control unit controls said folding device so that said booklet folding process of said sheets is carried out at the portions of two folding lines which are almost parallel thereby obtaining a square-shaped back of booklet.

Abstract: A notch groove Va is formed at a spine section Sb of a sheet bundle Sa on which an adhesive is applied so as to include a large amount of the adhesive. Also, a plurality of times of notch forming operation is performed while changing positions of notches V in respect to one sheet S so as to form a plurality of the notch grooves Va.

Abstract: Notch grooves are formed on the edge of sheets in a sheet bundle. There are a plurality of patterns of the notch grooves. A pattern of the notch grooves different according to the settings of the job executed in the bookbinding apparatus is formed on the edge of the sheet bundle.

Abstract: An image forming system having an image forming apparatus for forming an image onto a recording medium, and a plurality of finishing apparatus for processing the recoding medium ejected from the image forming apparatus, each finishing apparatus of the plurality of finishing apparatuses includes, a communication device for controlling communication between the image forming apparatus and the finishing apparatus itself, a first communication line for sending and receiving data between the finishing apparatus and the image forming apparatus through the communication device for controlling the finishing apparatus, and a second communication line adapted for bypassing the communication device arranged in the finishing apparatus.

Abstract: An image forming system including: an image forming apparatus which executes a print job to form an image on a recording medium; and a post processing apparatus which carries out a post processing to the medium on which the image has been formed; wherein, the image forming apparatus includes a control section to control the image forming apparatus such that, if there is a waiting period in a preceding print job being under execution, a succeeding print job is executed during the waiting period.

Abstract: When a job cancellation instruction has been specified, if the number of the recording sheets loaded on the stacker device of a post-processing apparatus is not greater than the predetermined number of sheets, the aforementioned recording sheets are ejected without being subjected to the process of stapling and if it is greater than the predetermined number of sheets, the recording sheets having been stapled are ejected.

Abstract: A book binding system comprising an image forming apparatus for forming images on a sheet, a book binding apparatus having a coating section for coating adhesive onto the spine of a sheet bundle and forming a booklet by coating adhesive and binding a plurality of sheets on which images have been formed at the image forming device, and a coating control section for controlling a coating amount of the adhesives of the coating section in accordance with the sheet type.

Abstract: A sheet processing apparatus, including: a booklet making section for making a booklet by covering a sheet bundle comprised of a plurality of sheets with a cover in a U-shape; a folding section for forming a fold-line on a coversheet, which covers the booklet made by the book making section; cover sheet conveyance section for conveying the coversheet; a measurement section for measuring a thickness of the sheet bundle; and a control section for controlling operations of the cover sheet conveyance section and the folding section to determine a folding position on the coversheet and form a fold-line on the folding position; wherein the folding position has been determined based on size information of the coversheet, size information of a sheet of the sheet bundle and thickness information of the sheet bundle measured by the measurement section.

Abstract: A sheet finisher includes a sheet stacker for stacking sheets conveyed from an image forming apparatus to form a sheet bundle and a binding device for binding the sheet bundle with a staple, further includes a center folding device for center folding sheets conveyed from the image forming apparatus, a first conveying device for conveying sheets conveyed from the image forming apparatus to the sheet stacker without passing through the center folding device, and a second conveying device for conveying the sheets to the sheet stacker via the center folding device.