A process cartridge and a unit include a cover member, a memory element provided
on the cover member, and a unit abutting portion. The process cartridge and the
unit can be detachably mounted to the main body of an electrophotographic image
forming apparatus. The main body of the electrophotographic image forming apparatus
includes a main body base member and a communication device. The process cartridge
and the unit are positioned to a predetermined location by the unit abutting portion
abutting against the main body base member, when the process cartridge and the
unit are mounted to the main body of the electrophotographic image forming apparatus.
In this state, the storage element is disposed at a position facing the communication
device and can communicate with it in a noncontacting manner.
