Fixing apparatus, image forming apparatus and fixing method

Details Fixing apparatus, image forming apparatus and fixing method Fixing apparatus, image forming apparatus and fixing method

2006-06-14

2008-08-19

Tran, Huan H (Department: 2861)

Incremental printing of symbolic information

Electric marking apparatus or processes

Electrostatic

C347S212000, C399S069000

Reexamination Certificate

active

07414640

ABSTRACT:
A fixing apparatus of the invention includes a heating roller, a fixing roller, a fixing belt that is wound around the heating roller and the fixing roller and circulates between the heating roller and the fixing roller, a pressing roller to press the fixing roller through the fixing belt, a first heater that is included in the heating roller and mainly heats a center part of the heating roller, a second heater that is included in the heating roller and mainly heats a peripheral part of the heating roller, and a temperature control unit to control a temperature of the heating roller by an on/off control of the first heater and the second heater, and the temperature control unit performs the on/off control in which when one of the first heater and the second heater is turned on, the other is turned off.

REFERENCES:
patent: 5872620 (1999-02-01), Wakamiya
patent: H07-244439 (1995-09-01), None
patent: H08-234617 (1996-09-01), None
patent: H10-301439 (1998-11-01), None

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