Image-forming apparatus and power-saving mode control method...

Details Image-forming apparatus and power-saving mode control method... Image-forming apparatus and power-saving mode control method...

2006-10-10

2006-10-10

Chen, Sophia S. (Department: 2852)

Electrophotography

Control of electrophotography process

Control of fixing

C399S043000, C399S082000

Reexamination Certificate

active

07120372

ABSTRACT:
An image-forming apparatus and a power-saving mode control method thereof are disclosed. The power-saving mode control method for the image-forming apparatus includes calculating a lapsed time after the image-forming apparatus enters a power-saving mode, that is, a power-saving mode duration time Ts, and determining a cause of the power-saving mode being turned off, selecting a different warm-up mode depending on the cause of the power-saving mode being turned off and the power-saving mode duration time; and controlling warm-up operations to be performed according to the selected warm-up mode.

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patent: 09-076602 (1997-03-01), None
patent: 2000-001022 (2000-01-01), None
patent: 97-22597 (1997-05-01), None

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