A medium transport device includes a feeding roller that feeds a recording medium, a transport roller that transports the recording medium toward a recording head, and a transport motor which is a common driving source for the feeding roller and the transport roller. The medium transport device includes a power transmission mechanism that transmits power of the transport motor to the feeding roller, and a control section that controls a current of the transport motor. The control section measures a current value flowing through the transport motor during driving as a measured current value, and adds a predetermined offset value to the measured current value to set a second limit value as a limit value of the current supplied to the transport motor.

In an image forming apparatus, a sheet is guided into a first conveyor path or a second conveyor path selectively when a first cover is in a closed position, and is ejected onto the first cover when the first cover is in an open position. Upon power-up, a controller causes a first conveyor roller to rotate but if the first cover is in the open position, when a sheet sensor detects a sheet, the controller does not cause a second conveyor roller to rotate, and causes a flapper to swing from a first position to a second position, and when a front end of the sheet reaches a position downstream of an upstream end of the flapper in a conveyance direction of the sheet conveyed by the first conveyor roller, the controller causes the flapper to swing from the second position to the first position.

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 roll-dispensed stock container is provided. The roll-dispensed stock container has a recessed cutting track and can be assembled by computer aided manufacturing processes.

In a sheet processing apparatus including a guide member that rotates by contact with a sheet processing unit, collision of the sheet processing unit with the guide member in a rotating state is avoided. A sheet conveyance apparatus includes: sheet processing units that move along one movement path intersecting a conveyance direction of a sheet; guide members that each include a fixed end rotatable about a rotation center line and support the sheet from below; a biasing member that biases the guide member so as to return to an original orientation in which a part of the guide member is located on the movement path; and a collision determination unit that determines, before at least one of the sheet processing units is moved and based on a movement start position and a target position of a movement target sheet processing unit and a size and an orientation before start of movement of the guide member, whether or not there is a possibility of occurrence of collision of the movement target sheet processing unit with the guide member in a rotating state.

A roll-dispensed stock container is provided with fixation strips attached to the body of the container and a cutter assembly attached to a lid of the container. Roll-dispensed stock is secured by the fixation strips when the lid of the container is in a closed configuration and the cutter assembly is configured to separate a sheet of the roll-dispensed stock of a desired length.

In an image-forming apparatus, when a sheet length of a first sheet is shorter than or equal to a predetermined length, a controller supplies power to an electromagnetic clutch to convey the first sheet and a second sheet so that a sheet gap of the second sheet is equivalent to a first gap. When the sheet length of the first sheet is longer than the predetermined length, the controller supplies power to the electromagnetic clutch to successively convey a first number of sheets so that the sheet gap of each of the first number of sheets is equivalent to the first gap. After the first number of sheets has been conveyed, the controller supplies power to the electromagnetic clutch to convey at least one sheet so that the sheet gap of each of the at least one sheet is equivalent to a second gap greater than the first gap.

A sheet supporting apparatus includes a body, a supporting portion configured to be held in an elevating manner by the body and to support a sheet, a sheet regulation portion regulating a position of the sheet supported on the supporting portion, a movement portion capable of moving between a first position where the sheet regulation portion regulates the position of the sheet supported on the supporting portion, and a second position where the supporting portion is regulated from elevating with respect to the body, and a movement regulation unit regulating the movement portion from moving to the second position.

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 recording material feeding device includes a stacking portion, a driving source, a holding member, a torque limiter for limiting transmission of a driving torque from the driving source to the stacking portion in a case that the driving source rotates in a state in which the holding member holds the position of the stacking portion; a storing portion for storing information on a holding state of the holding member; and a controller for controlling the driving source to rotate at a rotational speed slower when the information is information indicating that the holding member holds the position of the stacking portion than when the information is information indicating that the holding member does not hold the position of the stacking portion.