Fixing device, image forming apparatus, and fixing-device...

Details Fixing device, image forming apparatus, and fixing-device... Fixing device, image forming apparatus, and fixing-device...

2011-05-17

2011-05-17

Chen, Sophia S (Department: 2852)

Electrophotography

Control of electrophotography process

Control of fixing

C219S216000, C399S070000, C430S124100

Reexamination Certificate

active

07945181

ABSTRACT:
In a fixing device, a fixing unit fixes a toner image transferred onto a recording medium by a heating target unit heated by a plurality of heating units each of which is grouped as a first heating unit to which power is selectively supplied or a second heating unit to which power is supplied in priority to the first heating unit, and a supply control unit supplies power to a heating unit grouped as the second heating unit and selectively supplies power to a heating unit grouped as the first heating unit, among the heating units that heat the heating target unit of which detected temperature by a detecting unit is lower than a target temperature.

REFERENCES:
patent: 2005/0276625 (2005-12-01), Cho
patent: 2006/0198646 (2006-09-01), Funabiki et al.
patent: 2008/0069584 (2008-03-01), Sanada et al.
patent: 2008/0260408 (2008-10-01), Takagi et al.
patent: 2008/0292348 (2008-11-01), Furuyama
patent: 2009/0074442 (2009-03-01), Sano et al.
patent: 2003-217793 (2003-07-01), None

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