Fixing device for image forming apparatus to control power...

Details Fixing device for image forming apparatus to control power... Fixing device for image forming apparatus to control power...

2007-04-17

2009-11-24

Grainger, Quana M (Department: 2852)

Electrophotography

Control of electrophotography process

Control of fixing

Reexamination Certificate

active

07623802

ABSTRACT:
A fixing device of this invention enables variable control of power to be supplied to a heat roller side or a press roller side in accordance with the temperature of the heat roller and the press roller while each mode is carried out. In a copy mode, the temperature of the heat roller and the press roller is finely controlled. In a copy standby mode, only the power required for maintaining a set temperature is supplied.

REFERENCES:
patent: 5051780 (1991-09-01), Stelter et al.
patent: 2002/0172536 (2002-11-01), Hirst et al.
patent: 2004/0156661 (2004-08-01), Kagawa et al.
patent: 2004/0258427 (2004-12-01), Takahashi
patent: 06095541 (1994-04-01), None

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