Image forming apparatus and main body of the same

Details Image forming apparatus and main body of the same Image forming apparatus and main body of the same

2008-05-06

2008-05-06

Gray, David M. (Department: 2852)

Electrophotography

Diagnostics

Unit or part identification

C399S024000

Reexamination Certificate

active

07369784

ABSTRACT:
The present invention provides an image forming apparatus main body for forming an image on a recording medium using consumable items removably attached thereto by at least two operation modes. The image forming apparatus main body comprises a communicating unit that communicates with a consumable item which retains switching information to change the operation mode of the image forming apparatus main body and a controller that switches among the operation modes according to the switching information retained in the consumable item when the consumable item is attached to the image forming apparatus main body, and restores the previous operation mode before switching when a predetermined validity condition has fulfilled.

REFERENCES:
patent: 6512894 (2003-01-01), Takemoto et al.
patent: 6748182 (2004-06-01), Yoshida et al.
patent: 6978255 (2005-12-01), Pauschinger et al.
patent: 7221878 (2007-05-01), Chen
patent: 2003/0031475 (2003-02-01), Asakura
patent: 2005/0078165 (2005-04-01), Harada et al.
patent: 2006/0188270 (2006-08-01), Chen
patent: 2003-084631 (2003-03-01), None
Copy of Office Action in corresponding Chinese Patent Appl. No. 2005100992864 on Nov. 9, 2007, with English translation.

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