Belt conveyance apparatus and image heating apparatus

Details Belt conveyance apparatus and image heating apparatus Belt conveyance apparatus and image heating apparatus

2009-05-22

2011-11-29

Gray, David (Department: 2852)

Electrophotography

Control of electrophotography process

Control of fixing

C399S033000, C399S092000, C399S094000, C399S122000

Reexamination Certificate

active

08068758

ABSTRACT:
The image heating apparatus has a plurality of heat generators which are capable of forming a plurality of heat generating distributions in the longitudinal direction for supplying heat to a heating member. Unevenness in temperature is decreased by changing the heat generating distribution when cooling by a fan for the heating member starts. The heat generating distribution is changed so that heat generating amount at an area in the longitudinal direction corresponding to the cooling area cooled by the fan is to be larger than the heat generating amount before starting the cooling.

REFERENCES:
patent: 7457576 (2008-11-01), Takada et al.
patent: 2001/0048822 (2001-12-01), Hanyu et al.
patent: 2003/0198481 (2003-10-01), Kikuchi et al.
patent: 2008/0008488 (2008-01-01), Kaji et al.
patent: 2001-183929 (2001-07-01), None
patent: 2002-287564 (2002-10-01), None

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