Image forming apparatus and method of controlling a heating...

Details Image forming apparatus and method of controlling a heating... Image forming apparatus and method of controlling a heating...

Filed on

2006-09-19

Date issued

2006-09-19

Examiner

Grimley, Arthur T. (Department: 2852)

Patent Class

Electrophotography

SubClass

Control of electrophotography process

SubSubClass

Control of fixing

Other Related Categories

C399S033000, C399S122000, C399S330000, C399S335000

Type

Reexamination Certificate

Status

active

Patent number

07110690

Description

ABSTRACT:
An image forming apparatus according to an embodiment of the present invention can suppress overshoot by shifting the OFF timing of the central heater lamp from that of the end heater lamp or the recovering timing of the central heater lamp from that of the end heater lamp, when the heating member at a second temperature dropped from a first temperature (optimum fixing temperature) is returned to the first temperature again.

REFERENCES:
patent: 5512993 (1996-04-01), Endo et al.
patent: 2002/0003970 (2002-01-01), Goto et al.
patent: 2003/0215255 (2003-11-01), Kinouchi et al.
patent: 2004/0086292 (2004-05-01), Kamimura
patent: 2004/0165904 (2004-08-01), Tanaka
patent: 8-166742 (1996-06-01), None
patent: 10-186939 (1998-07-01), None

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