Image forming apparatus and charging device therefor...

Details Image forming apparatus and charging device therefor... Image forming apparatus and charging device therefor...

2006-05-16

2006-05-16

Lee, Susan (Department: 2852)

Electrophotography

Image formation

Charging

C361S225000

Reexamination Certificate

active

07046943

ABSTRACT:
A charging device includes a charge roller adjoining or contacting the surface of a photoconductive element. A DC and an AC voltage source output a DC and an AC voltage, which are applied to the charge roller. The AC voltage has a waveform pattern of at least one of white noise and pink noise.

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