Patent ID: 8843031
Filing Date: 2014-09-23
Classification: G03G

Abstract:
1. An image forming apparatus comprising: a photosensitive drum configured to carry thereon a developing agent image; a stationary support frame having a first abutment portion; and a belt unit configured to be attached to and detached from the support frame, the belt unit comprising a transfer unit configured to transfer the developing agent image carried on the photosensitive drum to a target, and an endless belt circularly movable and positioned between the transfer unit and the photosensitive drum, wherein the belt unit has a first abutted portion configured to be in contact with the first abutment portion so as to perform positioning of the belt unit with respect to the support frame, one of the support frame and the belt unit having a pressing portion, and remaining one of the support frame and the belt unit having a pressed portion pressed by the pressing portion so as to increase a contacting surface pressure between the first abutment portion and the first abutted portion; and wherein the pressing portion has a first contacting portion configured to be in contact with the pressed portion, and the pressed portion has a second contacting portion configured to be in contact with the first contacting portion, the first contacting portion and the second contacting portion being made from an electrically conductive material.