Patent ID: 9384433
Filing Date: 2016-07-05
CPC Classification: G03G,G06K

Claim Text:
1. An image forming apparatus comprising: a transfer member that is driven to be rotated; a first image forming unit configured to form a first image on the transfer member; a second image forming unit arranged at a different position from that of the first image forming unit with respect to a rotation direction of the transfer member, and configured to form a second image on the transfer member; a first detection unit configured to detect a first position of the transfer member in a direction perpendicular to the rotation direction; a second detection unit arranged at a different position from that of the first detection unit with respect to the rotation direction of the transfer member, and configured to detect a second position of the transfer member in the direction perpendicular to the rotation direction; and a control unit configured to control a forming position of the second image based on the first position and the second position to reduce a misregistration amount between the first image and the second image wherein the control unit is further configured not to control the forming position of the second image when a monochrome image is formed.