DEVELOPING DEVICE FEATURING A CONTROL MEMBER HAVING A CENTER PORTION WIDTH WIDER THAN END PORTIONS WIDTH IN A LONGITUDINAL DIRECTION THEREOF FOR CONTROLLING DEVELOPER THICKNESS AND METHOD FOR USING SAME

摘要

In a developing device, a developer carrier carries developer and a control member controls the thickness of the developer on the developer carrier. The control member has an abutting member that abuts against a reference plane of a main body of the developing device and an elastic member that overlaps the abutting member. The elastic member is urged toward the developer carrier and has a center portion of the overlapped sections of the elastic member and the abutting member that is wider than the end portions of the overlapped sections. An overlap member overlaps the elastic member.