| 摘要 |
An image forming apparatus includes an image forming unit to receive an image forming agent from a cartridge having a state indicating element in the form of a fusible resistor (2) to form an image, a state setting unit (20) to open the state indicating element, and a controller (30) to determine a usage amount of the image forming agent used to form the image to recognize identification information (ID1) of the cartridge, and to control the state setting unit to open the state indicating element of the cartridge if the usage amount of the image forming agent is equal to or greater than a preset value. |
