Belt fixing device and image forming apparatus therewith

Details Belt fixing device and image forming apparatus therewith Belt fixing device and image forming apparatus therewith

2006-10-05

2009-11-24

Brase, Sandra L (Department: 2852)

Electrophotography

Image formation

Fixing

Reexamination Certificate

active

07623818

ABSTRACT:
A belt fixing device includes an endless belt member, an excitation coil and a deterioration detection unit. The endless belt member includes a metal layer. The excitation coil heats the metal layer by electromagnetic induction. The deterioration detection unit detects deterioration of the metal layer of the belt member through the excitation coil.

REFERENCES:
patent: 5146163 (1992-09-01), Nawa
patent: 6597888 (2003-07-01), Abe et al.
patent: HEI.5-9027 (1993-02-01), None

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