Image forming apparatus which monitors lifetimes of expendables

Details Image forming apparatus which monitors lifetimes of expendables Image forming apparatus which monitors lifetimes of expendables

2006-08-01

2006-08-01

Zimmerman, Mark (Department: 2624)

Electrophotography

Diagnostics

Consumable

C399S025000, C347S019000

Reexamination Certificate

active

07085505

ABSTRACT:
An image forming apparatus disclosed herein includes a detecting section for detecting that the lifetime of an expendable used to form images is expiring, a counting section for counting a used amount of the expendable when the detecting section detects that the lifetime of the expendable is expiring, and a control section for disregarding the fact that the lifetime of the expendable is expiring, even when the fact is detected again before the used amount of the expendable, which is counted by the counting section, reaches a prescribed value.

REFERENCES:
patent: 5802420 (1998-09-01), Garr et al.
patent: 6512896 (2003-01-01), Asanuma et al.
patent: 2002/0172520 (2002-11-01), Suyehira
patent: 2000-298572 (2000-10-01), None

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