| 摘要 |
PROBLEM TO BE SOLVED: To provide an image forming device, a cartridge, a storage means and the number of image forming sheets recording system by which a cartridge maker and a service provider or the like can grasp the service conditions for each type of recording medium on the market. SOLUTION: This image forming device for forming an image on the recording medium is provided with a means for counting the number of sheets where the image is formed for every type of the recording medium S, and a means for storing the counted value of the number of sheets where the image is formed in the storage means of the cartridge for every type of the recording medium or further provided with a means for storing a date when the image is formed, in the storage means of the cartridge for every type of the recording medium. |
