Image forming device having an electrifying member in...

Details Image forming device having an electrifying member in... Image forming device having an electrifying member in...

2006-12-12

2006-12-12

Gray, David M. (Department: 2852)

Electrophotography

Control of electrophotography process

Control of charging

C399S089000, C399S044000, C399S128000

Reexamination Certificate

active

07149447

ABSTRACT:
An image forming device is provided that is capable of easily preventing occurrence of stripe-like image noise that may be caused by intimate contact between a contact electrifying member and an image carrier even when an image forming operation is stopped for a while. In the image forming device having an electrifying roller in contact with a photoconductor, AC voltage is applied to the electrifying roller before the image carrier and the electrifying roller start rotating.

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patent: 5420671 (1995-05-01), Kisu et al.
patent: 6014529 (2000-01-01), Sato
patent: 6047145 (2000-04-01), Shigezaki et al.
patent: 6560419 (2003-05-01), Sugiura
patent: 6904253 (2005-06-01), Hosokawa et al.
patent: 2002/0041767 (2002-04-01), Saito et al.
patent: 08-160718 (1996-06-01), None
patent: 2002-311690 (2002-10-01), None

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