An image forming apparatus includes a cutting part cutting a medium, a transfer part arranged on a downstream side of the cutting part in a carrying direction and transfers a developer image to the medium; a flexure forming part having a guide part and forms a flexure of the medium by bending the medium between the cutting part and the transfer part in the carrying direction; and an opposing part that is arranged opposing the flexure forming part via a carrying path through which the medium is carried, wherein the guide part performs a retreat movement either before or after the cutting part starts to cut the medium, wherein the retreat movement is a movement of the guide part in which the guide part moves in a direction away from the opposing part.

A printing device includes: a second blade; a first blade portion including a first blade and configured to cut print paper by moving from a standby position at which the first blade is away from the second blade, via an overlap start position at which the first blade starts overlapping the second blade on a side of the second blade in a first direction, to a cutting position; a first blade guide located in the first direction relative to the second blade and configured to guide movement of the first blade with the first blade between the first blade guide and the second blade when the first blade portion moves from the overlap start position to the cutting position; and a warping prevention portion configured to press the first blade in a second direction opposite to the first direction when the first blade portion moves from the overlap start position to the cutting position, to prevent the first blade from warping into a convex shape in the first direction or reduce such warping.

An image forming system includes a first unit, a second unit, and a third unit. The first unit includes an image forming unit that forms an image on a sheet fed from a feed unit. The second unit is arranged on a downstream side of the first unit and includes a cutting unit that cuts the sheet on which the image is formed by the image forming unit. The third unit is arranged on a downstream side of the second unit and includes a post-processing unit that post-processes the sheet cut by the cutting unit. A sheet cut to have a first size is discharged to a first discharge unit provided in the second unit. A sheet cut to have a second size larger than the first size is discharged to a second discharge unit provided in the third unit.

A medium cutting device according to an embodiment may include: a fixed blade provided on one side with respect to a conveyance path in which a medium is conveyed in a thickness direction of the medium orthogonal to a surface of the medium and including a cutting edge thereof; a rotary blade provided on the other side with respect to the conveyance path in the thickness direction, and including a cutting edge thereof, wherein the rotary blade is configured to be rotated in a rotation direction so that the cutting edge of the rotary blade passes by the cutting edge of the fixed blade to cut at a cutting position the medium being conveyed; and a guide member provided upstream of the cutting position in a conveyance direction of the medium and configured to bias the medium toward the rotary blade side.

A medium cutting device according to an embodiment may include: a fixed blade provided on one side with respect to a conveyance path in which a medium is conveyed in a thickness direction of the medium orthogonal to a surface of the medium and including a cutting edge thereof; a rotary blade provided on the other side with respect to the conveyance path in the thickness direction, and including a cutting edge thereof, wherein the rotary blade is rotatable and configured to be rotated in a rotation direction so that the cutting edge of the rotary blade passes through the cutting edge of the fixed blade to cut the medium being conveyed. The rotary blade includes, on an outer circumferential surface, a recessed portion provided on a side of the cutting edge of the rotary blade in a reverse direction opposite to the rotation direction of the rotary blade.

Disclosed is a post-processing apparatus configured to be coupled to an image forming apparatus or another post-processing apparatus. The post-processing apparatus includes: a post-processing unit that performs post-processing to a sheet that is conveyed; and a standby path arranged on an upstream side or a downstream side of the post-processing unit and capable of holding the sheet. The post-processing unit performs the post-processing in a state in which the sheet is partly in the standby path.

A recording device includes a roll holding unit, a transport mechanism, a recording unit, a rear end detector, a cutting mechanism, and a control unit. The roll holding unit holds a roll in which a long medium is wound around a core body. The transport mechanism transports the medium supplied from the roll in a transport direction along a transport path. The recording unit performs recording on the transported medium. The rear end detector detects that all of the medium suppliable from the roll was supplied by the transport mechanism. The cutting mechanism cuts the medium in an intersecting direction intersecting the transport direction at a position between the roll holding unit and the recording unit. The control unit cuts the medium by the cutting mechanism based on rear end detection information from the rear end detector.

A post-processing apparatus that performs post-processing on paper in which an image is formed, the apparatus including: a paper cutter that cuts the paper in which the image is formed; a reader that reads the paper cut by the paper cutter; and a hardware processor that determines whether a cutting position of the paper cut by the paper cutter is good or not based on a read result read by the reader, wherein the hardware processor determines whether the cutting position of the paper in which partial cutting is performed is good or not, the partial cutting being cutting a portion of the paper by the paper cutter.

An image forming system includes an image forming apparatus, a cutting apparatus, and a controller. The cutting apparatus includes a conveyance path, a first cutting unit configured to cut, at a cutting position with respect to a conveyance direction of the sheet on the conveyance path, the sheet in a width direction perpendicularly intersecting with the conveyance direction, and a second cutting unit configured to cut, at a cutting position with respect to the width direction, the sheet in the conveyance direction. The controller is configured to control the cutting apparatus such that, in a case where the sheet is cut neither with the first cutting unit nor with the second cutting unit, the sheet is conveyed through the conveyance path with the first cutting unit and the second cutting unit retreated not to contact with the sheet passing through the conveyance path.

A reading apparatus includes a reading device and circuitry. The reading device reads a recording medium in a direction intersecting a conveyance direction of the recording medium. The circuitry detects a reference image for cutting processing of the recording medium, based on read information read by the reading device.