Electrophotography – Control of electrophotography process – Control of fixing
Reexamination Certificate
2006-12-05
2006-12-05
Lee, Susan (Department: 2852)
Electrophotography
Control of electrophotography process
Control of fixing
Reexamination Certificate
active
07146117
ABSTRACT:
A method of controlling temperature of a fuser of an image forming apparatus includes measuring the temperature of the fuser, comparing the measured temperature with a previously measured temperature and determining whether the temperature of the fuser is ascending or descending to differentiate a temperature ascending stage and a temperature descending stage from each other, and controlling a chopping rate of the switching unit that intermittently connects power to the fuser. Reducing unnecessary power consumption is possible because the temperature of the fuser is controlled by differentiating a temperature ascending stage and a temperature descending stage from each other, and the quality of image may be enhanced and a flicker phenomenon is prevented.
REFERENCES:
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Korean Office Action issued with respect to Korean Application No. 2003-98605 (Issue date: Nov. 18, 2005).
Kim Jung-kuk
Song Hyun-soo
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