Patent ID: 7437109
Filing Date: 2008-10-14
Classification: G03G

Abstract:
1. An image forming apparatus, comprising: a housing including a cover configured to cover an opening provided in the housing; a transfer unit configured to move a loop-shaped moving member so that a toner image transferred by the transfer unit is conveyed, a portion of the loop-shaped moving member, across an entire width in a direction perpendicular to a moving direction thereof, being exposed through the opening when the cover is opened; and a sensor unit including a holding member configured to hold a plurality of optical sensors arranged in a direction perpendicular to the moving direction of the loop-shaped moving member, the plurality of optical sensors configured to detect respective amounts of light at respective areas different from each other on the loop-shaped moving member, end portions of the sensor unit along the arrangement of the plurality of optical sensors being fixed in the housing at end portions of the opening in a widthwise direction perpendicular to the moving direction of the loop-shaped moving member.