Intermittent DC bias charge roll AC cleaning cycle

Details Intermittent DC bias charge roll AC cleaning cycle Intermittent DC bias charge roll AC cleaning cycle

2005-01-11

2005-01-11

Beatty, Robert (Department: 2852)

Electrophotography

Machine operation

Having power supply

C399S100000, C399S314000, C361S225000

Reexamination Certificate

active

06842594

ABSTRACT:
An apparatus for applying an electrical charge to a charge retentive surface, wherein a bias charge roll member is situated proximately to a surface to be charged such as, a photoreceptor. The bias contact roll member is supplied with an electrical bias including an oscillating voltage signal having, in one mode of operation, a clipped AC input voltage and in a second mode, an unclipped AC input voltage.

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patent: 06202494 (1994-07-01), None
patent: 11149205 (1999-06-01), None
patent: 2002062716 (2002-02-01), None

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