Image forming apparatus, cartridge and image forming method

Details Image forming apparatus, cartridge and image forming method Image forming apparatus, cartridge and image forming method

2011-08-23

2011-08-23

Gray, David M (Department: 2852)

Electrophotography

Diagnostics

Unit or part identification

Reexamination Certificate

active

08005376

ABSTRACT:
An image forming apparatus includes an image forming unit to receive an image forming agent from a cartridge having a state indicating element to form an image, a state setting unit to open the state indicating element, and a controller to determine a usage amount of the image forming agent used to form the image by recognizing identification information 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.

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