Fixing unit controlling apparatus and image forming...

Details Fixing unit controlling apparatus and image forming... Fixing unit controlling apparatus and image forming...

2009-03-19

2011-10-18

Tran, Hoan (Department: 2884)

Electrophotography

Diagnostics

Fixing

C399S067000, C399S069000

Reexamination Certificate

active

08041236

ABSTRACT:
A fixing unit controlling apparatus that includes a switching unit of a power supplier to supply power to a fixing unit according to a power supply controlling signal to control a temperature of the fixing unit, and a switching unit of a power shutter to shut off power supplied to the fixing unit when the fixing unit controlling apparatus operates abnormally, wherein the switching units of the power supplier and the power shutter are both connected to a snubber circuit of the power shutter.

REFERENCES:
patent: 7127189 (2006-10-01), Takamatsu et al.
patent: 7164870 (2007-01-01), Satoh

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