| 摘要 |
PROBLEM TO BE SOLVED: To provide an image forming device equipped with an image forming unit capable of surely communicating data with a main body and constituted to be freely attached to/detached from the main body. SOLUTION: This image forming device is equipped with the main body 10 and the image forming unit 20 constituted to be freely attached to/detached from the main body 10. The unit 20 is equipped with a 1st storage means 31 consisting of a non-volatile memory actuated when power is supplied from the main body 10 and storing data concerning the use of the unit 20, and the main body 10 is equipped with a data communication means 30 for transmitting and receiving the data between the unit 20 and the main body 10, a power supply part 36 supplying the power to the storage means 31 from the main body 10, and a control part 32 controlling so that the power may be supplied to the storage means 31 by the supply part 36 only when the data is transmitted and received between the main body 10 and the unit 20 by the means 30. |
