Dual roll cleaning apparatus for charge retentive surface

Details Dual roll cleaning apparatus for charge retentive surface Dual roll cleaning apparatus for charge retentive surface

1988-10-03

1989-10-31

Prescott, A. C.

Photocopying

Contact printing

Light boxes

355297, 355298, 355302, G03G 1500

Patent

active

048780936

ABSTRACT:
A cleaning housing supports in cleaning relationship a closely spaced combination of an upstream brush roll cleaner and an adjacent downstream foam or poromeric roll cleaner. Subsequent to release of toner from the surface, toner is carried away from the charge retentive surface on the fibers of the brush or the surface of the foam rolls. A blower creates a directed air flow for the removal of toner from the cleaning rolls. Mechanical toner removal devices may also be used to release toner from the roll surfaces. The brush roll cleaner provides a primary cleaning function, while the foam roll cleaner provides a secondary cleaning function as a back up to the brush roll cleaner and an abrading function for the removal of film buildup on the charge retentive surface.

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Kane, "Apparatus for Reducing Photoreceptor Filming", Xerox Disclosure Journal, vol. 2, No. 4, Jul./Aug., 1977, p. 85.
Fisher, "Modified Dual Brush Cleaner", Xerox Disclosure Journal, vol. 2, No. 3, May/Jun. 1977, p. 85-86.

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