Image fixing apparatus with graduated temperature control

Details Image fixing apparatus with graduated temperature control Image fixing apparatus with graduated temperature control

1998-03-20

2000-03-14

Royer, William

Electrophotography

Control of electrophotography process

Control of fixing

118 60, 219216, 399 70, 399 94, 399324, G03G 1520

Patent

active

060384123

ABSTRACT:
An image fixing device is disclosed comprising a heating roll installed with a heater, a pressure roll rotatably pressing against the heating roll, and a thermistor for sensing the surface temperature of the heating roll, wherein a CPU is provided for controlling the surface temperature of the heating roll to an initial fixing control temperature of 1.1 times a normal fixing temperature, when the surface temperature of the heating roll sensed by the thermistor is below one-third of the normal fixing temperature.

REFERENCES:
patent: 4609278 (1986-09-01), Taniguchi
patent: 4878092 (1989-10-01), Arai
patent: 5742870 (1998-04-01), Hwang
patent: 5801360 (1998-09-01), Oba et al.
patent: 5862435 (1999-01-01), Suzumi et al.

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