Process cartridge and image forming apparatus

摘要

A process cartridge detachably mountable to a main body of an electrophotographic image forming apparatus includes an electrophotographic photosensitive member, a developing unit for developing a latent image formed on the electrophotographic photosensitive member with a toner, a toner containing portion for containing the toner used by the developing unit, and a recess formed in an outer surface of the toner containing portion over an entire area thereof substantially in parallel with an axis of the electrophotographic photosensitive member for gripping the process cartridge.