In accordance with an embodiment, an image forming apparatus comprises an image forming section configured to form an image on a sheet; a sheet discharge port through which the sheet is discharged; a sheet conveyance roller configured to convey the sheet to the sheet discharge port; a movable sheet guide, arranged in such a manner that an imaginary line connecting a portion contacting the sheet of the sheet conveyance roller with the sheet discharge port passes through a cross-sectional area, configured to be capable of moving in a direction away from a surface of the sheet; and a guide sensor configured to detect movement of the movable sheet guide.

A folding apparatus includes: a folding unit configured to fold a recording medium at an intermediate portion in a transport direction of the recording medium; an upstream roller pair disposed on an upstream side in the transport direction of the recording medium with respect to the folding unit, and configured to transport the folded recording medium toward the folding unit with a fold as a leading end; and a downstream roller pair disposed on a downstream side in the transport direction of the recording medium with respect to the folding unit, and configured to sandwich and transport the recording medium sandwiched between the upstream roller pair, the downstream roller pair being configured to apply a transport force to a portion of the recording medium that is connected to a portion of the recording medium that is sandwiched between the upstream roller pair.

In an example, a clamp may include a chassis, a swingarm disposed on the chassis, a clamp wheel disposed on a first end of the swingarm to engage with a drag portion of the chassis, and an auxiliary bias member to exert a force against the clamp wheel to resist a rotation of the clamp wheel. The force may periodically increase in magnitude.

A medium transport apparatus includes a first roller configured to apply feeding force to a medium in a medium transport path for transporting the medium, a second roller disposed on an upstream side of the first roller in a medium transport direction in the medium transport path, the second roller being configured to apply feeding force to the medium, a third roller configured to be switched between a first position at which the medium is to be nipped with the second roller and a second position at which the nipping of the medium is to be released, a switching section configured to switch a position of the third roller, and at least one protruding member protruding from an outer circumferential surface of the second roller, the protruding member being configured to separate the medium from the outer circumferential surface of the second roller in the medium transport path.

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.

In accordance with an embodiment, an image forming apparatus comprises an image forming section configured to form an image on a sheet; a sheet discharge port through which the sheet is discharged; a sheet conveyance roller configured to convey the sheet to the sheet discharge port; a movable sheet guide, arranged in such a manner that an imaginary line connecting a portion contacting the sheet of the sheet conveyance roller with the sheet discharge port passes through a cross-sectional area, configured to be capable of moving in a direction away from a surface of the sheet; and a guide sensor configured to detect movement of the movable sheet guide.

A conveyor includes: a supporting member which supports the first and second roller units to allow the first and second rollers to take one of a first conveyance position and a first retracted position; a movable member which is movable between a first position where the first roller and the second roller take the first conveyance position and a second position where the rollers take the first retracted position; a cover member which is switchable between a closed state where the cover member is a part of the conveyance passage and an open state where a part of the conveyance passage is open; and an interlocking mechanism which is configured to move the movable member to the second position when the cover member is in the open state and moves the movable member to the first position when the cover member is in the closed state.

A paper money processing device is provided with: a storage unit for forming a storage space in which paper money is layered and stored; a conveyance mechanism for conveying paper money to the storage unit; and a movable piece capable of emerging and sinking the storage space, the movable piece being provided in a direction orthogonal to the conveyance direction of the paper money conveyed by the conveyance mechanism. Conveyance is stopped in a position where the trailing end part of the paper money to be conveyed to the storage unit by the conveyance mechanism is facing the moveable piece, the trailing end part of the paper money in a position facing the moveable piece is thereafter moved to the storage space side and the paper money is layered and stored in the storage space by the emerging/sinking operation of the movable piece.

A paper transfer includes a first paper guide plate, a second paper guide plate, and a draw-out guide member. The first paper guide plate has a transfer roller for transferring a paper while guiding one face of the paper. The second paper guide plate that can be drawn out while facing to the first paper guide plate, and has a driven roller driven while pressing the transfer roller with the paper interposed therebetween to guide another face of the paper. The draw-out guide member is formed so as to release a nip between the transfer roller and the driven roller by separating the driven roller from the transfer roller when the first paper guide plate is drawn out in an engaged state where the draw-out member is engaged with an engagement portion provided on the second paper guide plate.

An image forming apparatus and roller separation device are provided. The image forming apparatus including a main body having a print unit, a first paper feeding unit containing print paper and insertable in or pullable from the main body, a feed roller in the main body feeding the print paper from the first paper feeding unit to the print unit and comprising a driven roller contacting a driving roller, an elastic member applying an elastic force to the driven roller in a direction to contact the driving roller, a handle member in the main body movable to a first position and a second position, and a separation member connected to the handle member and switched to a normal position separated from the driven roller and a separation position separating the driven roller from the driving roller.