Patent ID: 7702277

Claim:
An image forming apparatus disposed with a plurality of sheet peeling members each including peeling claws for peeling off a conveyed sheet sticking to a surface of a photoreceptor, the sheet peeling members being arranged along a width direction of the photoreceptor, the apparatus comprising: a collision sensor attached to each sheet peeling member to detect that the conveyed sheet collides with the peeling claw; a collision history value storing/managing portion that stores/manages a collision history value of each peeling claw based on a collision detection signal from the collision sensor; an output portion that outputs a report signal for reporting information about a time of replacement of the peeling claws; and a controlling portion that outputs to the output portion a report signal for reporting a rotation request for the peeling claw with the collision history value reaching a preset setting value, based on the collision history values of the peeling claws stored in the collision history value storing/managing portion.