Image forming apparatus, part detachable device and image...

Details Image forming apparatus, part detachable device and image... Image forming apparatus, part detachable device and image...

2006-11-21

2006-11-21

Royer, William J. (Department: 2852)

Electrophotography

Diagnostics

Unit or part identification

Reexamination Certificate

active

07139494

ABSTRACT:
An image forming apparatus includes an image forming section to which a replaceable part is detachably attached and a switching section for switching an operation mode of the image forming section between an approved part mode corresponding to a case wherein an approved part is attached as the replaceable part and a unapproved part mode corresponding to a case wherein a part other than the approved part is attached.

REFERENCES:
patent: 6212338 (2001-04-01), Hagihara et al.
patent: 6512894 (2003-01-01), Takemoto et al.
patent: 2005/0078165 (2005-04-01), Harada et al.
patent: 64-57272 (1989-03-01), None
patent: 1-200272 (1989-08-01), None
patent: 11-237816 (1999-08-01), None
patent: 2000-284581 (2000-10-01), None
patent: 2002-331686 (2002-11-01), None

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