| 摘要 |
PROBLEM TO BE SOLVED: To provide a cartridge capable of accurately recognizing the number of photosensitive recording media left in the cartridge without exerting adverse effect on the supplying action of the medium even in the case of single cartridge and in the case that the cartridge is loaded in a device main body, and to provide an image forming device. SOLUTION: This cartridge 3 is provided with an operation part 25 operated by external force, a display part 27 exposed to the outside surface of the cartridge and set for displaying the housing amount of the photosensitive recording medium and a switching means 26 switching the display of the display part 27 in response to the operation of the operation part 25. the device main body 2 is provided with a driving means 12 operating the operation part 25 ion accordance with the carrying action or the exposure action of the photosensitive recording medium 10. |
