Patent ID: 11914324
Assignee: BROTHER KOGYO KABUSHIKI KAISHA
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. An image forming apparatus comprising:
a main casing including a first memory;
a cartridge attachable to the main casing, the cartridge including:
material or a part used for forming images; and
a second memory storing therein consumption state information representing a consumption state of the cartridge; and

a controller configured to perform:
determining whether the cartridge attached to the main casing is unused;
storing, in response to determining that the cartridge attached to the main casing is unused, the consumption state information acquired from the second memory in the first memory;
determining whether the consumption state information stored in the first memory and the consumption state information stored in the second memory match each other;
permitting use of the cartridge in response to determining that the consumption state information stored in the first memory and the consumption state information stored in the second memory match each other; and
prohibiting use of the cartridge in response to determining that the consumption state information stored in the first memory and the consumption state information stored in the second memory do not match each other.