Electrophotography – Control of electrophotography process – Control of fixing
Reexamination Certificate
2006-05-16
2006-05-16
Shrivastav, Brij B. (Department: 2859)
Electrophotography
Control of electrophotography process
Control of fixing
C399S330000
Reexamination Certificate
active
07046937
ABSTRACT:
At least, a temperature of the surface of a heating roller13in a region through which paper of small width passes, and a temperature of the surface of a heating roller13in a region through which paper of small width does not pass where paper of large width is carried are detected. Warming up operation is continued, and when a temperature of the surface of a heating roller13in the either region reaches a temperature capable of fixing, a ready display is lighted. Thereafter, the surface of the heating roller13not having reached a temperature capable of fixing is heated by forcibly lighting a heater lamp till the fixed conditions are satisfied, and at the time of the forcible lighting operation, the surface of the heating roller13in a region having reached a temperature capable of fixing is not heated.
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patent: 6650863 (2003-11-01), Fuma
patent: 2004/0086295 (2004-05-01), Peng et al.
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patent: 2002-304087 (2002-10-01), None
patent: 2003-195680 (2003-07-01), None
Kabushiki Kaisha Toshiba
Shrivastav Brij B.
Toshiba Tec Kabushiki Kaisha
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