Electrostatic roll cleaner

Details Electrostatic roll cleaner Electrostatic roll cleaner

2011-03-15

2011-03-15

Brase, Sandra L (Department: 2884)

Electrophotography

Cleaning of imaging surface

Roller

Reexamination Certificate

active

07907885

ABSTRACT:
A cleaning roll for a xerographic cleaning station is disclosed. The roll may comprise a compliant foam layer covered with a fabric overcoating. The cleaning station may also contain a detoning roll which contacts the cleaning roll to attract residual toner for disposal out of the station. There may be an electrical connection in the station to a biasing structure which will bias both the fabric overcoating and the detoning roll. The conductive fabric may have an average roughness (RA) not exceeding about 8 μm to 10 μm and the fabric comprises yarns of similar size to provide thereby a smooth and uniform surface texture.

REFERENCES:
patent: 4398820 (1983-08-01), Thayer
patent: 7108020 (2006-09-01), Stone
patent: 2007/0292178 (2007-12-01), Iwasaki
patent: 2008/0089715 (2008-04-01), Denton
patent: 2008/0101834 (2008-05-01), Iwasaki

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