Fixing apparatus and image forming apparatus

Details Fixing apparatus and image forming apparatus Fixing apparatus and image forming apparatus

2011-08-16

2011-08-16

Beatty, Robert (Department: 2852)

Electrophotography

Control of electrophotography process

Control of fixing

Reexamination Certificate

active

08000623

ABSTRACT:
A fixing apparatus of the present invention includes a heating roller2that is a cylindrical member having a center axis, a pressurizing roller3that exerts pressure on the heating roller2, and a temperature detecting element6that detects the temperature of the heating roller2. The outer peripheral surface of the heating roller2is induction heated on the basis of the temperature information detected by the temperature detecting element6. The fixing apparatus thus utilizes induction heating. The present invention is characterized in that the temperature detecting element6is placed in an area located vertically below the center axis of the heating member2and vertically below the outer peripheral surface of the heating member. The temperature detecting element6is thus provided at a position where it is unlikely to suffer thermal convection from the heating roller2.

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