Patent ID: 8737890

Claim:
An image forming apparatus comprising: an endless belt; a steering roller for supporting the endless belt and correcting a deviating motion of the endless belt; and a conveying section for conveying a recording material, wherein the conveying section has a sensor to detect one of side edges of the recording material in a width direction which is perpendicular to a conveying direction of the recording material, wherein the sensor is configured to detect a shifting length of the recording material from a conveyance reference; and a position control mechanism of the recording material, wherein the position control mechanism conveys the recording material along the conveyance reference, established at a predetermined position, in the width direction of the recording material, and wherein the steering roller is supported on a supporting point at a side on which the conveyance reference is established wherein the sensor is provided on said side, and the steering roller is tilted at a side which is opposite to the side on which the conveyance reference is established, with respect to the width direction of the recording material.