A cleaning device cleans a surface of a sheet conveyance member which conveys a sheet in an image forming apparatus that executes image forming processing using a recording material, the surface carrying a solid substance that originates from the recording material and that adheres to the surface. The cleaning device includes a cleaning member including a contact surface configured to come in contact with the surface of the sheet conveyance member. The contact surface is an irregular surface rougher than the surface of the sheet conveyance member. At cleaning of the surface, the cleaning member makes a relative movement to the surface of the sheet conveyance member. The irregular surface is an irregular surface configured to take away the solid substance adhering to the surface of the sheet conveyance member when the cleaning member makes the relative movement.

A sheet stacking apparatus is provided. A conveyor unit performs stacking of sheets discharged from a printing apparatus and conveying of stacked sheets. A detection unit detects whether or not the printing apparatus is currently discharging a sheet. A control unit, so as to secure a stacking space for a sheet discharged from the printing apparatus on the conveyor unit, controls a feeding operation of the conveyor unit correspondingly to a period of time over which the detection unit detected that the printing apparatus is discharging a sheet.

An image forming apparatus includes a stack portion on which a sheet is to be stacked, a regulating portion, a first detection device which includes a rotary variable resistor, a second detection, and a control unit. The regulating portion regulates a position of an edge of the stacked sheet. The first detection device outputs a detection signal based on the rotary variable resistor. The rotary variable resistor rotates in accordance with the sheet edge position regulated by the regulating portion. The second detection device detects presence or absence of the stacked sheet. The control unit calculates a calculated sheet width of the stacked sheet based on the output detection signal. The control unit sets the calculated sheet width after a first predetermined time has elapsed since the second detection device detects that the sheet is stacked on the stack portion as a detected sheet width of the stacked sheet.

A printer includes a printing unit, a conveying unit, a cutting unit, a casing and a controller. The controller is configured to perform receiving a setting for a discharge mode of a printed medium piece. The controller is configured to further perform, in a case where the discharge mode is currently set to a forcible discharge mode, forcibly discharging the printed medium piece from the casing through the discharging opening, a leading edge of a continuous printing medium being conveyed by a first feed amount in the conveying direction by driving the conveying unit such that the printed medium piece is pushed by the leading edge of the continuous printing medium. The controller is configured to further perform, in a case where the discharge mode is currently set to a non-forcible discharge mode, non-forcibly discharging the printed medium piece from the casing.

An image recording apparatus having a recorder, a first driving device, a second driving device, a driving-force transmission device, a sensor, a memory, and a controller to conduct a conveying process and a recording process alternately and repetitively, is provided. In the conveying process, on condition that a rotationally driven amount of the first driving device exceeded a target rotation amount, the controller conducts feedback control on the first driving device to rotate reversely. On condition that the first driving device was rotationally driven reversely under the feedback control, the controller stores a maximum value and a stopping value in the memory, determines a correction value, and determines a post-correction rotation amount based on the target rotation amount and an amount corresponding to the correction value, and in the conveying process, the controller drives the first driving device rotationally by the post-correction rotation amount.

A medium transport portion includes a main body portion, a tray unit, and a support guide member. The main body portion includes a first manual feed path and a second manual feed path. The tray unit can be accommodated in the main body portion in a non-use state, and a medium is mounted thereon in a use state. The support guide member is movable in a Z-direction, and supports the tray unit such that a first position that the tray unit is positioned in the first manual feed path, a second position of being positioned in the second manual feed path, and a third position of being accommodated in the main body portion are switched.

A printer includes an image forming unit configured to form an image on a sheet by an electrophotographic method, and a recording unit configured to record an image on a sheet by an inkjet method. An image recording position of the recording unit is located above an image forming position of the image forming unit.

A printing apparatus includes a thermal head, a paper feed unit, a paper detection unit, an ink ribbon take-up unit, an detection unit, and a control unit. The thermal head transfers ink applied to an ink ribbon onto paper. The paper feed unit feeds paper stacked on a paper stacking unit and conveys the paper. The paper detection unit detects the fed paper. The ink ribbon takes-up unit take up the ink ribbon. The detection unit detects a printing start position of the ink ribbon. The control unit controls feeding of the stacked paper from the paper stacking unit, suspend the conveyance of the paper upon detection of the fed paper, take up the ink ribbon with the ink ribbon take-up unit, stop the ink ribbon take-up upon detection of the printing start position of the ink ribbon, and restart the conveyance of the paper with the paper feed unit.

A peripheral with a pivotal turn-over guiding mechanism includes: a transporting mechanism; first to third passages; an image processing unit disposed on the first passage, wherein after the image processing unit performs a first image process on a first side of a medium, the transporting mechanism transports the medium into, partially out of and back into the second passage, into the third passage, and then into the first passage, and the image processing unit performs a second image process on a second side of the medium; and a guide member, which is rotatably disposed at a connection portion of the third passage, the second passage and the first passage, normally closes a forward path from the first passage to the second passage, and normally opens a reverse path from the second passage to the third passage.

A recording apparatus includes a first medium transport path, a reverse path for reversing a surface of a medium, a third medium transport path that guides the medium to the reverse path, a first drive roller configured to rotate in a forward rotation direction that sends the medium toward a discharge port and in a reverse rotation direction opposite to the forward rotation direction, and a second drive roller provided in the third medium transport path and configured to rotate only in the forward rotation direction for sending the medium toward the reverse path, in which a transport force applied to the medium by the first drive roller when the first drive roller rotates in the forward rotation direction is stronger than a transport force applied to the medium by the second drive roller when the second drive roller rotates in the forward rotation direction.