Photoreceptor comet prevention brush

Details Photoreceptor comet prevention brush Photoreceptor comet prevention brush

G - Physics

03

G

G03G 21/00 (2006.01) G03G 15/095 (2006.01)

Patent

CA 2124504

An apparatus for cleaning a charge retentive surface of a photoreceptor which includes a rotating brush for cleaning the charge retentive surface of a photoreceptor. A spring or other means is used to maintain constant, uniformly distributed contact between the charge retentive surface and the rotating cleaning member together. The use of one or more pressure rollers to maintain the cleaning brush next to the photoreceptor belt can prevent undesirable friction, heat and/or static charge buildup adjacent to the photoreceptor, and can prevent photoreceptor jamming and other malfunctions. The resulting self regulating cleaning brush contact improves photoreceptor cleaning effectiveness despite brush aging, bristle wear or set, or other factors effecting the radius of the cleaning brush or its relative positioning in the photoreceptor cleaning assembly. The present invention results in the uniform distribution of the contact pressure on the photoreceptor, which may monitored and/or be controlled. A cleaning bar for dislodging debris that might otherwise remain attached to the rotating cleaning brush may also be biased towards and movable relative to the rotating brush.

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