Akiyoshi Fujita

Process cartridge and image forming apparatus to which process cartridge can detachably be mounted

Electrophotographic photosensitive drum supporting apparatus, process cartridge and electrophotographic image forming apparatus

Electrophotographic image forming apparatus detachably mounting a developer replenishing container or in which a plurality of cartridges and developer replenishing containers are attachably and detachably positioned

Method of reproducing process cartridge

Developer supply container and electrophotographic image forming apparatus

Electric contact member applying voltage to charger, process cartridge, and image forming apparatus

Developer supply container and image forming apparatus capable of mounting the container thereon

Drive transmission mechanism for transmitting drive to processing means and cartridge provided with same

Developer carrying member, developer replenishment container and image forming apparatus

Developing apparatus including a seal member sandwiched between a developer bearing member and a leakage preventing member