Method of warming fixing device, method of determining...

Details Method of warming fixing device, method of determining... Method of warming fixing device, method of determining...

2007-02-13

2007-02-13

Ngo, Hoang (Department: 2852)

Electrophotography

Control of electrophotography process

Having temperature or humidity detection

C399S069000, C399S070000

Reexamination Certificate

active

10948107

ABSTRACT:
A method of warming a fixing device includes the steps of: providing a first fixing member and a second fixing member for fixing a toner image onto a sheet, a temperature increase rate of the first fixing member being higher than that of the second fixing member; warming up the first fixing member until a first temperature when humidity is low based on humidity information; and performing an additional warm-up of the fixing device for a predetermined time after warming up the first fixing member until the first temperature, when the humidity is high.

REFERENCES:
patent: 6389247 (2002-05-01), Chung
patent: 09-034302 (1997-02-01), None
patent: 2000-039780 (2000-02-01), None
patent: 2000-214723 (2000-08-01), None
patent: 2001-134132 (2001-05-01), None
patent: 2002-258652 (2002-09-01), None
patent: 2002-296929 (2002-10-01), None
patent: 2003-302861 (2003-10-01), None

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