Electrophotography – Control of electrophotography process – Control of fixing
Reexamination Certificate
2006-08-08
2006-08-08
Lee, Susan (Department: 2852)
Electrophotography
Control of electrophotography process
Control of fixing
Reexamination Certificate
active
07088934
ABSTRACT:
A fusing system and a temperature control method thereof for use in an image forming apparatus. The fusing system includes a control unit having a controller. The controller determines whether to initiate a heater driving-start timing, on the basis of one of a first time t1and a third time t3,and a second time t2,when a sheet of printing paper is picked up by the pickup roller, or when a leading end of the sheet of the printing paper picked up by the pickup roller operates the paper jam sensor, the first time t1being a time when the sheet of printing paper is picked up to a point of time when the sheet of printing paper arrives at the fusing roller, the second time t2being a time required until a heat generated from the heater arrives at a surface of the fusing roller, and the third time t3being a time from when the sheet of printing paper operates the paper jam sensor to when the sheet of printing paper is arrives at the fusing roller.
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Lee Susan
Roylance Abrams Berdo & Goodman LLP
Samsung Electronics Co,. Ltd.
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