| 摘要 |
PROBLEM TO BE SOLVED: To provide an electrophotographic image forming device which can manage correctly the time for exchanging of a process cartridge. SOLUTION: Read-write of information necessary for the management of the time for exchanging a process cartridge 8 is made to a storage element of a cartridge non-contact communication means 3 by the control part of a main body non-contact communication means 2. |
