According to one embodiment, a sheet post-processing device includes a first tray to receive sheets from an image forming unit, a second tray to receive sheets from the first tray, and a third tray to receive sheets from the second tray. The third tray is movable relative to the second tray. A bundle claw is configured to move sheets in a first direction from the second tray to the third tray. A controller is configured to move the third tray relative to the second tray according to the sheets on the second tray. Depending on various characteristics of the sheets on the second tray or the presence of sheets already on the third tray, the position of the third tray may be changed to reduce possible misalignments of sheets in the transfer from the second to third tray.

An image reading apparatus, includes: a supply tray; a discharge tray; a conveyance guide; a reading sensor; a discharge unit, which includes a discharge opening to discharge the sheet conveyed by the conveyance guide to the discharge tray and is configured to move from a third position to a fourth as the document supported by the paper feed tray is decreased, the fourth position being higher than the third position; a first drive source, which generates a drive force; a first rotation body, which moves the movable plate by transmitting the drive force from the first drive source to the movable plate; and a second rotation body, which moves the discharge unit by transmitting the drive force from the first drive source to the discharge unit, wherein a diameter of the first rotation body and a diameter of the second rotation body are different from each other.

A sheet processing apparatus for processing sheets includes: a stack tray on which a sheet is stacked; a discharge roller pair composed of first and second rollers and configured to discharge a sheet onto the stack tray, the second roller being configured to be movable between a pressure contact position to contact with the first roller and a retracting position to separate from the first roller; and a pressure contact/separation mechanism for moving the second roller from the retracting position to the pressure contact position. The pressure contact/separation mechanism changes the timing at which the second roller reaches the pressure contact position according to the type of a sheet to be discharged.

A medium transporting apparatus includes a first tray on which a medium discharged with a pair of discharge rollers that discharges a medium is mounted, a guide member that contacts the medium, which is discharge with the pair of discharge rollers, from above, and that guides the medium to the first tray, and a width direction matching member that matches an end portion of the medium, which has been discharged on the first tray, in the width direction that intersects a discharge direction of the medium. The guide member and the width direction matching member move in the width direction in an interlocked manner.

A medium discharging device includes a first tray, a second tray receiving a medium from the first tray, a supporter which is configured to be displaced from a retreat position in the first tray and an advance position above the second tray and which supports the medium, an aligner which is provided in the supporter and that aligns a first end portion which is an upstream end portion in a discharge direction of the medium supported by the supporter, to be displaced together with the supporter, and a restrictor configured to be displaced between a restriction position where an upstream movement of the first end portion of the medium in a position of the aligner in the discharge direction and a non-restriction position where the movement is not restricted, when the supporter is in the advance position.

Provided is an image-forming device with which it is possible to achieve a smaller size while suppressing a reduction in visibility or operability of an operation panel. In this image-forming device, paper sheets are discharged from the rear side of the device toward the front side of the device, and the image formation device is provided with: a paper-sheet-loading unit in which the paper sheets are loaded; an operation panel disposed on the downstream-side end in the paper sheet discharge direction of the paper-sheet-loading unit, at least a part of the operation panel being disposed in a loading region of the paper-sheet-loading unit; and a protruding part disposed to the side of the operation panel in the loading region, the protruding part protruding upward from the top surface of the paper-sheet-loading unit, and extending in the paper sheet discharge direction.

A medium placement device configured to stack a plurality of sheets of a medium discharged from a discharge unit of a processing device, the medium placement device including a plurality of support units being provided in a width direction intersecting with a discharge direction of the medium, and being configured to support, on a support surface from below in a gravitational direction, the medium discharged from the discharge unit. The plurality of support units are provided extending in the discharge direction, and are inclined downward in a gravitational direction from upstream to downstream in the discharge direction, and a first support unit and a second support unit arranged at a lower position in the gravitational direction with respect to the first support unit as viewed in the width direction, the first support unit and the second support unit being arranged alternatingly in the width direction.

The invention relates to a product stacking device for forming product stacks (12 a-k) of product groups (14 a-k) consisting of products (16 a-k), which lie flatly and/or are brought into a shingled product arrangement (64 a-k), during a transportation movement (28 a-k). The product stacking device includes at least two stack contact surfaces (20 a-k), which are provided in order to form the product stack (12 a-k) by reducing a spacing (24 a-k) between the stack contact surfaces (20 a-k), the stack contact surfaces lying opposite one another in a product group direction (26 a-k).

A blowing device is equipped with a blowing portion and a holder. The blowing portion has a cylindrical body that stores a rotating body, and includes: a suction inlet arranged on a side surface perpendicular to the axial direction of the cylindrical body; and an exhaust outlet arranged on a part of the peripheral surface of the cylindrical body. The holder has a wall that faces the peripheral surface of the blowing portion with a gap between the wall and the peripheral surface, and holds the blowing portion inside. The holder includes: a suction portion that communicates with the suction inlet; and an exhaust portion that causes the exhaust outlet to communicate with the outside and the gap.

A medium aligning device includes a stacking tray that stacks a medium discharged by a discharge section that discharges the medium, a side end aligning portion that is movable in a width direction that is a direction intersecting with a medium discharge direction of the discharge section, and positions and aligns a side end in the width direction of the medium stacked on the stacking tray, a rear end aligning portion that is movable in the width direction and positions and aligns a rear end that is an upstream end of the medium stacked on the stacking tray in the discharge direction, and a transmission portion that transmits the movement of the side end aligning portion in the width direction to the rear end aligning portion, in which a play in the width direction is provided between the side end aligning portion and the transmission portion.