Electrophotography – Control of electrophotography process – Control of fixing
Patent
1998-06-09
1999-08-31
Grimley, Arthur T.
Electrophotography
Control of electrophotography process
Control of fixing
399320, 219216, G03G 1520, H05B 100
Patent
active
059465263
ABSTRACT:
A method and device controlling the temperature of a heating source of an image forming apparatus includes the steps of enabling the temperature of the heating source to be controlled to a print waiting temperature, when power is supplied to the image forming apparatus, gradually lowering the temperature of the heating source over a period of time, to an energy saving temperature lower than the print waiting temperature, when the temperature of the heating source is the print waiting temperature and no printing data is input within a first time interval, gradually lowering the temperature of the heating source over a period of time, to an ambient temperature, when no printing data is input within a second time interval, i.e., until the first time interval has passed, and then the heating source reaches the energy saving temperature, and initializing a timer for counting the first and second times and raising the temperature of the heating source to the printing temperature required for printing, when printing data is input.
REFERENCES:
patent: 4627714 (1986-12-01), Nozaki
Grimley Arthur T.
Ngo Hoang
Samsung Electronics Co,. Ltd.
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