Patent ID: 7857308

Claim:
An off-center adjustment apparatus for performing center position adjustment in a direction perpendicular to a transport direction of paper, the off-center adjustment apparatus being provided in an image forming apparatus, the off-center adjustment apparatus comprising: registration rollers provided upstream from an electrostatic latent image carrier; and pre-registration rollers provided upstream from the registration rollers, wherein the center position adjustment is performed by the registration rollers being moved in the direction perpendicular to the transport direction while the paper is being temporarily stopped with a front end thereof being seized by the registration rollers and a rear end thereof being seized by the pre-registration rollers, the pre-registration rollers are freely movable in the direction perpendicular to the transport direction, and the at least one of the pre-registration rollers is loosely fitted with a rotation shaft, while an elastic member is interposed between the rotation shaft and the at least one of the pre-registration rollers.