Apparatus and method of reducing charge roller contamination

Electrophotography – Internal machine environment – Particle or contaminant control

Reexamination Certificate

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Details

C399S343000, C399S350000

Reexamination Certificate

active

11055874

ABSTRACT:
The present invention relates generally to image forming equipment, e.g. a laser printer of the type which includes a photoconductive (PC) drum and an associated charge roller. The invention is disclosed in exemplary embodiment as a laser printer incorporating a cleaner element with an electrical potential to sufficiently charge contamination particles on the PC drum to electrically repel from a charged surface, such as the charge roller.

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