System for controlling the motion of fused or unfused copy sheet

Details System for controlling the motion of fused or unfused copy sheet System for controlling the motion of fused or unfused copy sheet

1993-12-17

1997-02-04

Lee, Shuk Yin

Electrophotography

Control of electrophotography process

Control of fixing

399396, 399309, G03G 1520

Patent

active

056004249

ABSTRACT:
A fuser roll nip sheet sensing scheme detects the torque spike of a fuser roll motor when paper is entering the nip region and uses that spike to signal a speed change to the motor to thereby control the motion of the paper. The nip sheet sensing scheme is used for paper position/timing and for single pass duplex fusing.

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patent: 5166735 (1992-11-01), Malachowski
patent: 5260751 (1993-11-01), Inomata
patent: 5289247 (1994-02-01), Takano et al.

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