Fixing device for color image forming apparatus and control...

Details Fixing device for color image forming apparatus and control... Fixing device for color image forming apparatus and control...

2006-05-24

2008-09-23

Chen, Sophia S (Department: 2852)

Electrophotography

Control of electrophotography process

Control of fixing

C399S069000, C399S088000

Reexamination Certificate

active

07428389

ABSTRACT:
A fixing device of the invention switches ON a heater lamp of the press roller in a fixing device in a color print mode. In a monochromatic mode, power comparable to the power consumption of the heater lamp can be supplied additionally to an exciting coil on the heat roller side when a heater lamp stays OFF. An amount needed for the heat roller can be therefore added flexibly to the exciting coil. During a warm-up, power comparable to power consumption of the option can be supplied additionally to the exciting coil on the heat roller side.

REFERENCES:
patent: 6243546 (2001-06-01), Watanabe et al.
patent: 2004/0114952 (2004-06-01), Yamamoto
patent: 2006/0062609 (2006-03-01), Kinouchi et al.
patent: 2006/0159478 (2006-07-01), Kikuchi
patent: 62-157079 (1987-07-01), None
patent: 63-018370 (1988-01-01), None
patent: 2004-233628 (2004-08-01), None

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