Cleaning apparatus and image forming apparatus

Details Cleaning apparatus and image forming apparatus Cleaning apparatus and image forming apparatus

2011-05-17

2011-05-17

Tran, Hoan (Department: 2884)

Electrophotography

Cleaning of imaging surface

Fibrous brush

C399S354000

Reexamination Certificate

active

07945202

ABSTRACT:
An cleaning apparatus includes: a first brush roll for removing toner from an image carrier; a second brush roll for removing the toner from the image carrier; a first recovery device for recovering the toner deposited on the first brush roll; a second recovery device for recovering the toner deposited on the second brush roll; a first electric field forming device for forming an electric field between the first brush roll and the image carrier; and a second electric field forming device for forming an electric field between the second brush roll and image carrier, wherein the first brush roll and the second brush roll each has a plurality of electrically conductive yarns arranged on a conductive core, and a resistance R2of each of the yarns used in the second brush roll is smaller than 1×107Ω/cm.

REFERENCES:
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patent: 5329344 (1994-07-01), Gerbasi et al.
patent: 7403729 (2008-07-01), Shida
patent: 7630658 (2009-12-01), Nishikawa
patent: 7756462 (2010-07-01), Iwasaki et al.
patent: 2004-239999 (2004-08-01), None
patent: 2006-215072 (2006-08-01), None

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