摘要:
In a sheet creaser, a sheet set is pushed between a pair of folding rollers to fold the sheet set. Then, a re-pressing roller re-presses the sheet set, which has been folded by the folding rollers, by rolling along the crease. Pressure applied on the sheet set by the folding rollers is released when the re-pressing roller re-presses the sheet set.
摘要:
A sheet aligning apparatus includes an alignment surface formed in a planar shape and that presses an end of a sheet to move and align the sheet; and a holding unit that holds the end of the sheet at a position contacting the alignment surface in a state that a curled end of the sheet contacts the alignment surface and the sheet is thus pressed.
摘要:
A sheet stacking unit that stacks sheets thereon is movable up and down. A lifting unit moves the sheet stacking unit up and down. A driving unit drives the lifting unit. A control unit controls a driving speed of the driving unit. A position detecting unit detects a position of the sheet stacking unit in an up-and-down direction. The control unit controls the driving speed according to the position of the sheet stacking unit detected by the position detecting unit.
摘要:
A sheet conveying device includes a conveying unit that conveys a sheet in a sheet conveying direction; a measuring unit that measures a position of a side edge of the sheet in a measurement area; a shielding unit having an end portion that is projected into the measurement area for shielding the sheet; a first determining unit that determines whether the shielding unit is detectable in the measurement area; and a second determining unit that determines whether the measuring unit has been mounted in the sheet conveying device based on a result obtained in the first determining unit.
摘要:
A pressing unit includes a pressure roller that slides on the folded side while rotating, an elastic biasing unit that presses the pressure roller in a thickness direction of the stack of sheets, and a driving unit that slides the pressure roller in a direction substantially perpendicular to a conveying direction of the stack of sheets. A lifting unit, when the pressure roller slides to a first position, temporarily lifts up the pressure roller, and when lifted-up pressure roller slides to a second position, lifts the lifted-up pressure roller down onto the folded side.
摘要:
A paper transport device is configured to independently drive a paper ejecting roller when predetermined abnormal events occur. When paper-jamming occurs and if no paper is present downstream of a jammed paper or a preceding paper that is present most downstream is located upstream of a predetermined position, the paper ejecting roller is stopped to prevent ejection of papers outside of the paper transport device. When paper-jamming occurs and if a preceding paper that is present most downstream is located downstream of the predetermined position, the paper ejecting roller is independently driven to complete ejection of the preceding paper.
摘要:
A sheet conveying device in which at least a sheet is guided and conveyed by a guiding member includes a discharging roller that conveys the sheet, a first guiding member and a second guiding member that are arranged along an outer periphery of the discharging roller, and a supporting shaft that rotatably supports both the first guiding member and the second guiding member. When the first guiding member is located at a first position in which a path between the first guiding member and the discharging roller is closed, the sheet is guided to a shift conveying path, and when the first guiding member is located at a second position in which the path is opened, the sheet is guided to a folding processing tray.
摘要:
A pressing unit presses vicinity of a trailing edge of a stack of sheets stacked in a tray. An aligning unit aligns the stack of sheets stacked in the tray. A stapling unit binds the stack of sheets aligned by the aligning unit. A discharging unit discharges the stack of sheets bound by the stapling unit. A control unit controls the pressing unit to keep a constant distance from a surface of a top sheet of the stack of sheets when the discharging unit discharging the stack of sheets.
摘要:
A sheet conveying device includes entrance rollers and registration rollers. The entrance rollers convey a sheet received from delivery rollers to the registration rollers. The registration rollers correct skew of the sheet. A conveying path between the delivery rollers and the registration rollers is equal to or slightly longer than a length of a sheet in a maximum allowable size for skew correction in a conveying direction in which the sheet is conveyed on the conveying path.
摘要:
A paper transport device is configured to independently drive a paper ejecting roller when predetermined abnormal events occur. When paper-jamming occurs and if no paper is present downstream of a jammed paper or a preceding paper that is present most downstream is located upstream of a predetermined position, the paper ejecting roller is stopped to prevent ejection of papers outside of the paper transport device. When paper-jamming occurs and if a preceding paper that is present most downstream is located downstream of the predetermined position, the paper ejecting roller is independently driven to complete ejection of the preceding paper.