Process cartridge electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit

摘要

A process cartridge for use with a main assembly of an electrophotographic image forming apparatus. The process cartridge includes an electrophotographic photosensitive drum having a photosensitive layer, and a process means actable on the electrophotographic photosensitive drum. The process cartridge also includes a coupling member for receiving a rotational force for rotating the electrophotographic photosensitive drum.