A finisher for binding a sheet bundle includes a conveying portion for conveying sheets, a stacking portion for stacking the sheets, a manual setting portion to which the sheet bundle is inserted by an operator, a stapler having a head at a front portion thereof for binding the sheet bundle by a staple and a cartridge at a rear portion for housing the staple, a stapler moving unit for moving the stapler to a first stapling position for binding a corer portion of the sheet bundle, a second stapling position for binding the sheet bundle inserted into the manual setting portion and a staple loading position for removing the cartridge and replenishing a new cartridge, and a moving unit for rotating the stapler to a posture such that the rear portion rather than the front portion of the stapler is located at a front side in the depth direction.

A finisher for binding a sheet bundle includes a conveying portion for conveying sheets, a stacking portion for stacking the sheets, a manual setting portion to which the sheet bundle is inserted by an operator, a stapler having a head at a front portion thereof for binding the sheet bundle by a staple and a cartridge at a rear portion for housing the staple, a stapler moving unit for moving the stapler to a first stapling position for binding a corer portion of the sheet bundle, a second stapling position for binding the sheet bundle inserted into the manual setting portion and a staple loading position for removing the cartridge and replenishing a new cartridge, and a moving unit for rotating the stapler to a posture such that the rear portion rather than the front portion of the stapler is located at a front side in the depth direction.

A production plant for books printed with digital technologies. comprising one or more forming stations of book blocks, one or more cover binding machines for assembling the book blocks with respective covers, an electronic center and a plurality of spiral towers for accommodating the book blocks of the forming stations and transfer them to the binding machines. The book blocks and the covers have respective book codes and cover codes uniquely associated with the respective books of a given working order. Each tower includes a conveyor belt that can be moved along a spiral path. a belt motorization group and an electronic control unit. The towers serve as a temporary storage for the blocks and capacity of movement between loading areas adjacent to the forming station and unloading areas adjacent to the binding machines. The electronic control units pre-set the towers to store in an optimized way along the conveyor belt the book blocks from the forming stations. to supply the binding machines with the stored book blocks and to form and memorize databases identifying the stored book blocks. The electronic center of the plant is interfaced with the electronic control units of the towers and with the binding machines for a survey of the loading data and for a functional coupling of the loaded towers with the binding machines.

A production plant for books printed with digital technologies. comprising one or more forming stations of book blocks, one or more cover binding machines for assembling the book blocks with respective covers, an electronic center and a plurality of spiral towers for accommodating the book blocks of the forming stations and transfer them to the binding machines. The book blocks and the covers have respective book codes and cover codes uniquely associated with the respective books of a given working order. Each tower includes a conveyor belt that can be moved along a spiral path. a belt motorization group and an electronic control unit. The towers serve as a temporary storage for the blocks and capacity of movement between loading areas adjacent to the forming station and unloading areas adjacent to the binding machines. The electronic control units pre-set the towers to store in an optimized way along the conveyor belt the book blocks from the forming stations. to supply the binding machines with the stored book blocks and to form and memorize databases identifying the stored book blocks. The electronic center of the plant is interfaced with the electronic control units of the towers and with the binding machines for a survey of the loading data and for a functional coupling of the loaded towers with the binding machines.

A medium processing apparatus includes a liquid applier to apply liquid to a part of a medium to perform a liquid application, a medium processing device to perform desired processing on a bundle of media including the medium subjected to the liquid application, a liquid storage to store liquid used for the liquid application by the liquid applier, a liquid detector to detect an amount of liquid in the liquid storage, and circuitry to control a supply operation of supplying the liquid to the liquid applier to set a liquid applicable state in which the liquid applier can apply the liquid to the at least one medium based on information from the liquid detector. The circuitry changes a transition time to the liquid applicable state, based on the amount of liquid in the liquid storage detected by the liquid detector.

A booklet forming device includes a sheet support portion, and a bonding unit including a pressurizing member and configured to form a bonding layer. In a case of forming a first booklet including a first number of sheets, the bonding unit is operated under a first operation condition so that a thickness of the bonding layer positioned closest to the pressurizing member in the first booklet becomes a first thickness. In a case of forming a second booklet including a second number of sheets more than the first number of sheets, the bonding unit is operated under a second operation condition different from the first operation condition so that the thickness of the bonding layer positioned closest to the pressurizing member in the second booklet becomes a second thickness larger than the first thickness.

An image forming apparatus comprises a rotationally driven photosensitive body, a charging device that charges a surface of the photosensitive body, an exposure light source that forms an electrostatic latent image by exposing the surface of the photosensitive body to light, a developing device that forms a toner image by developing the electrostatic latent image using toner, a transfer member that transfers the toner image to a sheet, a first memory that stores a cumulative image formation amount for each one of N exposure regions, and a control circuit that controls the exposure light source.

A sheet binding device includes a processing tray, a movable reference plate, a stapling portion, a movement portion, a slide member, and a slide spring. When the stapling portion in an inclined state is moved from a reference position to a stapling position, the movable reference plate moves from an initial position, and when orientation of the stapling portion is shifted from the inclined state to a parallel state, the movable reference plate returns to the initial position. When the orientation of the stapling portion is shifted from the parallel state to the inclined state while the stapling portion is moved from the stapling position to the reference position, the movable reference plate moves from the initial position, and the stapling-side engagement portion separates from the movable engagement member, thereby causing the movable reference plate to return to the initial position.

A sheet binding device includes a processing tray, a movable reference plate, a stapling portion, a movement portion, a slide member, and a slide spring. When the stapling portion in an inclined state is moved from a reference position to a stapling position, the movable reference plate moves from an initial position, and when orientation of the stapling portion is shifted from the inclined state to a parallel state, the movable reference plate returns to the initial position. When the orientation of the stapling portion is shifted from the parallel state to the inclined state while the stapling portion is moved from the stapling position to the reference position, the movable reference plate moves from the initial position, and the stapling-side engagement portion separates from the movable engagement member, thereby causing the movable reference plate to return to the initial position.

A recording system includes a printer, a post-processing apparatus, and a first support to be mounted on a floor outside a mounting area of the printer. The printer includes a manual feed tray and an opening/closing portion each configured to be moved outward from a body of the printer to enable a process. The post-processing apparatus is located, in a Z direction, above the manual feed tray and the opening/closing portion that were moved. The first support supports the post-processing apparatus and forms a space in which the manual feed tray and the opening/closing portion are moved.