Image forming device and image forming method wherein a...

Details Image forming device and image forming method wherein a... Image forming device and image forming method wherein a...

2009-01-23

2011-10-04

Gray, David (Department: 2852)

Electrophotography

Control of electrophotography process

Control of fixing

Reexamination Certificate

active

08032046

ABSTRACT:
To control a temperature of a rotating member for fixing an image during standby, an image forming device can suppress overshoot of the temperature of the rotating member occurred when a fixing state is switched to a standby state. Determining the standby temperature is higher than the fixing temperature (Step S103: YES), a CPU61controls a temperature of a heating roller51to be kept substantially at a first temperature (Step S104). After a lapse of first given time (Step S105: YES), the CPU61stops rotation of the heating roller51, a fixing roller52and the pressure roller54(Step S107). The CPU61controls the temperature to be kept substantially at the second temperature (Step S108). After a lapse of second given time (Step S109: YES), the CPU61controls the temperature to be kept substantially at the standby temperature, and switches to the standby state.

REFERENCES:
patent: 6185388 (2001-02-01), Yamamoto
patent: 2007/0196119 (2007-08-01), Fujita
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patent: 8-36324 (1996-02-01), None
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patent: 2002-23554 (2002-01-01), None
Japanese Notification of Reasons for Refusal mailed on Jun. 22, 2010, directed to counterpart Japanese Patent Application No. 2008-152695; 5 pages.

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