Abstract: An image forming apparatus includes a stacking portion including a lifting portion, a feeding member feeding a sheet stacked on the lifting portion to a conveyance passage, a position detector detecting movement of the sheet stacked on to a feedable position to the conveyance passage, a driver including a motor and performing the lifting operation of the lifting portion, a rotation detector detecting rotation of the motor, and a controller. The controller determines a factor that the position detector does not detect the movement of the sheet stacked on the lifting portion to the feedable position within a predetermined time based on a detection result of the rotation detector while controlling the driver to lift up the lifting portion.

Abstract: A printing apparatus includes a conveyance unit, a printing unit, and a control unit. The conveyance unit includes a feeding unit, a conveyance roller pair, a feed driving unit, a first encoder, and a second encoder. The control unit is configured to execute a feed adjustment operation of adjusting tension of the medium fed from the feeding unit by controlling the feed driving unit such that the control unit executes the feed adjustment operation based on an output of the second encoder in a first period from a start of rotation of the conveyance roller pair until a specified time elapses and such that the control unit executes the feed adjustment operation based on an output of the first encoder in a second period after completion of the first period.

Abstract: A buffer unit receives a sheet and temporarily holds a predetermined number of sheets so as to be overlaid on one another. A stacking unit stacks the predetermined number of sheets conveyed toward a first direction. A moving unit comes into contact with an uppermost sheet among the predetermined number of sheets stacked on the stacking unit and moves the uppermost sheet further toward the first direction. A regulating unit comes into contact with an end portion of the stack of sheets on the stacking unit to regulate the position of the stack of sheets. A control unit controls the predetermined number of sheets.

Abstract: A recording medium processing apparatus includes first teeth that are used for binding processing of a recording medium bundle; second teeth that move toward the first teeth and press the recording medium bundle located between the first teeth and the second teeth; a position detection unit that detects a position of the second teeth; and a control unit that controls movement of the second teeth on the basis of the position detected by the position detection unit.

Abstract: An enclosing device to insert an enclosure into an envelope conveyed to an enclosing position includes an envelope conveyor and an enclosing unit. The envelope conveyor conveys the envelope to the enclosing position. The enclosing unit opens a frontage of the envelope such that the enclosure is inserted into the envelope that has reached the enclosing position and includes an opening amount adjuster to adjust an opening amount of the frontage when the enclosure is inserted into the envelope. The opening amount adjuster adjusts the opening amount, depending on a flap length and a body length. The flap length is a length of a flap of the envelope in a conveyance direction in which the envelope is conveyed to the enclosing position. The body length is a length of a body of the envelope in the conveyance direction.

Abstract: The sheet discharge apparatus sets a discharge speed at which a sheet is discharged by a discharge device to a first discharge speed when a bundle of sheets includes a first number of sheets and sets the discharge speed to a second discharge speed that is lower than the first discharge speed when the bundle of sheets includes a second number of sheets that is greater than the first number of sheets.

Abstract: A sheet folding device includes a sheet loading unit, a folding processing unit, and an ejection roller. The folding processing unit includes a folding roller pair. A sheet alignment part and a sheet moving part are provided. A sheet loading tray includes an upstream-side loading part and a downstream-side loading part. The sheet alignment part includes an upstream-side alignment part and a downstream-side alignment part. The downstream-side alignment part includes a side plate, a fixed guide plate, and a movable guide plate supported on the side plate in such a manner as to be swingable between a retreat position and a regulation position.

Abstract: A sheet separation device that conveys a two-ply sheet in a state where the one side joined is located on an upstream side or a downstream side of the two-ply sheet in a conveyance direction, separates the two-ply sheet into the two sheets, and inserts an inner sheet from a non-joined side opposite the joined side in the sheet conveyance direction so that the inner sheet is sandwiched between the two sheets overlaid with each other includes a conveying roller pair including a pair of rollers and circuitry. The conveying roller pair conveys the two-ply sheet and holds a joined portion of in the two-ply sheet at which the two sheets are joined, at a nip portion of the conveying roller pair when the inner sheet is inserted into the two-ply sheet. The circuitry contacts the inner sheet against the joined portion of the two-ply sheet to perform skew correction.

Abstract: A system for automated book binding may include a staging platform configured to receive book covers, with first and second walls extending perpendicular to the staging platform, the first wall oriented parallel to the second wall. A controller, in at least an automatic trim adjustment mode, determines one or more book covers as being present upon the staging platform, automatically directs inward movement of at least one of the walls until sensing contact by one or more of the at least one of the walls with the one or more book covers, automatically withdraws the at least one of the walls from a point of contact with the book covers, wherein an operating window is defined by a distance between the walls at the point of contact, and, in sequence, transferring each of the book covers via a lifting arm upward from the staging platform and to a binding unit.

Abstract: A sheet processing apparatus includes a tray, a first binder, a second binder, a feeder, and circuitry. The tray receives and stores a sheet bundle. The first binder presses the sheet bundle to bind the sheet bundle. The second binder penetrates the sheet bundle with a needle to bind the sheet bundle. The feeder feeds the sheet bundle in a first direction, and moves the sheet bundle in a second direction. The circuitry causes the feeder to move the sheet bundle on the tray in the second direction, moves the first binder from a binding position to a home position different from the binding position, and moves the second binder to the binding position in the width direction to bind the sheet bundle by the second binder after the sheet bundle is moved in the second direction and the first binder is moved to the home position.

Abstract: A feeding unit includes a paper feeding tray, a lifter, a feeding roller, a guide plate, and a handling portion. The lifter can displace paper in the paper feeding tray in a +B direction. The guide plate guides a downstream end of the paper lifted by the lifter in a +A direction toward the feeding roller. The handling portion handles the paper toward the feeding roller. The guide plate forms a frontage through which the paper can pass between the guide plate and an outer peripheral surface of the feeding roller, and is provided so that a size of the frontage can be adjusted. The handling portion is provided integrally with the guide plate.

Abstract: A medium processing apparatus includes a liquid applier, a post-processing device, and circuitry. The liquid applier applies liquid to a part of a medium, the medium being at least one medium. The post-processing device binds a bundle of media including the medium to which the liquid is applied by the liquid applier. The circuitry controls operations of the liquid applier and the post-processing device. The circuitry causes the liquid applier to apply different amounts of liquid to a plurality of sample areas in the medium.

Abstract: A sheet stacking device includes a sheet stacker, a pair of sheet restrictors, and a stacking adaptor. The sheet stacker has a first sheet stacking face on which a bundle of sheets is stacked. The sheet stacker includes a leading end support to support a leading end of the bundle of sheets in a feeding direction by a second sheet stacking face and a pair of cutouts disposed upstream from the leading end support. The pair of sheet restrictors slide in the pair of cutouts in a width direction orthogonal to the feeding direction to regulate a position of the bundle of sheets. The stacking adaptor is detachably attached to the sheet stacker to cover the pair of cutouts. The stacking adaptor has a third sheet stacking face to support a portion of the bundle of sheets disposed at the pair of cutouts.

Abstract: A sheet feeding apparatus includes a first feeder, a second feeder, and processing circuitry. The first feeder includes a sheet stacker, an air blower, a suction feeder, and a remaining amount detection sensor. The air blower blows air to float an uppermost sheet. The suction feeder sucks and feeds the sheet. The remaining amount detection sensor detects a remaining amount of sheets stacked. The processing circuitry determines whether the remaining amount of sheets in the first feeder is smaller than a threshold, causes the first feeder to perform a feeding operation of feeding the sheet floated by the air blower to the suction feeder in response to a determination that the remaining amount is equal to or greater than the threshold, and causes the second feeder to feed a sheet instead of the first feeder in response to a determination that the remaining amount is smaller than the threshold.

Abstract: A feeding unit includes a retard roller, a first holder, a second holder, an accommodating portion, a pressing portion, a second pressing portion, a release lever, and a second restricting portion. The accommodating portion accommodates the second holder. The second pressing portion presses the second holder in a +Z direction. The release lever restricts the movement of the second holder in the +Z direction. The second holder is provided with a plurality of restricted portions in a Y direction and a +A direction, respectively. The second restricting portion restricts the movement of the second holder in a ?Z direction. The second restricting portion has a restricting surface. The restricting surface is provided in the accommodating portion and is configured to come into contact with the plurality of restricted portions.

Abstract: A feeding device includes a receptacle, a conveyor, an elastic member, and a load adjuster. The receptacle is vertically movable and holds a stack of sheets. The conveyor feeds an uppermost sheet of the stack of sheets on the receptacle in a feeding direction in which a sheet of the stack of sheets is fed. The elastic member biases the receptacle to press the uppermost sheet of the stack of sheets on the receptacle against the conveyor. At least when a height of the stack of sheets on the receptacle is equal to or greater than a given value, the load adjuster applies a reduced magnitude of load downward to the stack of sheets on the receptacle in response to a decrease in the height of the stack of sheets.

Abstract: A stacking device for generating decks (10) of sheet elements (12) comprises a transport device with an upper side onto which sheet elements (12) are arranged on separate sheet sections (50). Each sheet section (50) is adapted to transport at least one sheet element (12). The upper side has a height offset between adjacent sheet sections (50). A displacement element shifts sheet elements (12) of one sheet section (50) onto an adjacent sheet section (50) in order to produce the deck (10) of sheet elements (12).

Abstract: A sheet discharging apparatus includes a stacking portion, a first conveyance portion, a detection portion, a second conveyance portion, a third conveyance portion, and a control portion. The control portion is configured to execute a discharge operation by causing the sheet discharging apparatus to reverse a conveyance direction of a first sheet conveyed from the first conveyance portion to the second conveyance portion and deliver the first sheet to the third conveyance portion by using the second conveyance portion, convey the first sheet toward the second conveyance portion by the third conveyance portion, and discharge the first sheet and the second sheet to the stacking portion by using the second conveyance portion in a state where the first sheet and the second sheet are superimposed on each other.

Abstract: An image forming apparatus includes a print portion that prints an image on a sheet passing by a print position, and an inserter that inserts an insert sheet between sheets conveyed one after another. In a print job involving an insert process, the print portion conveys, while securing an insert interval between a preceding sheet, which is a sheet immediately preceding the insert sheet, and a succeeding sheet, which is a sheet immediately following the insert sheet, the preceding sheet and the succeeding sheet one after another. The print portion automatically changes the insert interval according to the length of the insert sheet in the conveyance direction.

Abstract: A paper sorting device includes: a stacking conveyor that receives continuously fed cut sheets to stack the cut sheets by sorting unit and that continuously conveys stacked cut sheets downstream on a unit-by-unit basis; and a stacker section arranged downstream of the stacking conveyor, capable of continuously stacking the stacked cut sheets conveyed from the stacking conveyor, at different positions on a placement surface.