Multi-level energy saving temperature controller for image formi

Details Multi-level energy saving temperature controller for image formi Multi-level energy saving temperature controller for image formi

1996-03-04

1997-10-28

Paschall, Mark H.

Electric heating

Heating devices

With power supply and voltage or current regulation or...

219506, 219497, 219492, 219216, 355405, H05B 102

Patent

active

056814933

ABSTRACT:
A temperature controlling device for controlling the temperature of a heating member of a fixing unit of an image forming apparatus, the heating member being heated by a heater to perform a fixing operation at a predetermined fixing temperature, the temperature controlling device is provided with a controller which is operable to control the heater to selectively keep the temperature of the heating member at a first energy saving temperature smaller than the fixing temperature and a second energy saving temperature smaller than the first energy saving temperature when the fixing operation is suspended.

REFERENCES:
patent: 4145599 (1979-03-01), Sakurai et al.
patent: 4551007 (1985-11-01), Elter
patent: 4812625 (1989-03-01), Ceste, Sr.
patent: 5216743 (1993-06-01), Seitz
patent: 5373141 (1994-12-01), Ko
patent: 5555075 (1996-09-01), Fukano et al.

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