Image forming apparatus having counters for counting frequency o

Details Image forming apparatus having counters for counting frequency o Image forming apparatus having counters for counting frequency o

1994-09-27

1996-08-13

Brase, Sandra L.

Photocopying

Contact printing

Light boxes

355208, G03G 2100

Patent

active

055461638

ABSTRACT:
An image forming apparatus having a process maintenance (PM) counter which counts the frequency of use of a part from the execution of maintenance of the part, and a life counter which counts the frequency of use of a part from when the part is replaced. The counting value of both counters are displayed selectively. The image forming apparatus has a reset switch which resets the PM counter when the counting value of the PM counter is displayed, and resets both the PM counter and the life counter simultaneously when the counting value of life counter is displayed, so as not to forget to reset the PM counter when the life counter is reset.

REFERENCES:
patent: 4860052 (1989-08-01), Ito et al.
patent: 5001733 (1991-03-01), Negoro et al.
patent: 5066978 (1991-11-01), Watarai et al.
patent: 5196884 (1993-03-01), Sugiyama et al.
patent: 5206685 (1993-04-01), Hara et al.

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