Patent ID: 11945677
Assignee: RICOH COMPANY, LTD.
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 3:
4. The image forming apparatus according to claim 1, further comprising:
a reference point sensor configured to detect a reference point in the circumferential direction of the sheet conveyance roller; and
a rotation amount sensor configured to detect an amount of rotation of the sheet conveyance roller,
wherein the controller is configured to:
specify, in the intermittent conveyance processing, a start point abutting the sheet at a start of the intermittent conveyance processing and an end point abutting the sheet at an end of the intermittent conveyance processing in the circumferential direction of the sheet conveyance roller, based on a combination of detection results of the reference point sensor and the rotation amount sensor; and
calculate the correction value between the start point and the end point specified by the controller, based on the profile data.