Patent ID: 6405006
Filing Date: 2002-06-11
Classification: G03G

Abstract:
An image forming apparatus comprising:an endless belt configured to be electrically charged, wherein the endless belt is a seamed endless belt; a plurality of rollers configured to span the endless belt around the rollers and rotatively transport the endless belt; a charging device disposed opposite and apart from one of the plurality of rollers at a predetermined distance from a surface of the endless belt and configured to charge the surface of the endless belt electrically, wherein the charging device has a roller shape; and a driving device configured to rotate the charging device such that a direction of a circumferential velocity of the charging device is the same as a direction of a circumferential velocity of the endless belt at an air gap formed between the charging device and the endless belt; wherein the circumferential velocity of the charging device is approximately equal to or greater than the circumferential velocity of the endless belt at the air gap formed between the charging device and the endless belt.