| 摘要 |
PURPOSE:To facilitate the control of the life of an image carrier and to reduce cost. CONSTITUTION:As to an electrophotographic copying device provided with a counter 9 consisting of a non-volatile memory which counts the number of using times of the image carrier so as to control the life Ns thereof, a life data storage area 9 where the life data Nx of the image carrier is written is installed in the counter 9 and life read means 11 and 12 for recognizing the life of the image carrier by reading the life data Nx stored in the area 9 are installed in the device main body. |
