Cleaning device and image forming apparatus provided therewith

Details Cleaning device and image forming apparatus provided therewith Cleaning device and image forming apparatus provided therewith

2007-07-16

2010-02-09

Tran, Hoan H (Department: 2852)

Electrophotography

Internal machine environment

Particle or contaminant control

C399S123000, C399S353000, C399S354000

Reexamination Certificate

active

07660546

ABSTRACT:
A cleaning device for cleaning a transfer sheet conveyance belt, includes: a first brush roll which is provided with voltage with a polarity reverse to a charging polarity of toner particles; and a second brush roll arranged downstream of the first brush roll in a moving direction of the transfer sheet conveyance belt, the second brush roll being provided with the voltage with the same polarity as the charging polarity of the toner particles, while rotating in contact with the surface of the transfer sheet conveyance belt.

REFERENCES:
patent: 6070043 (2000-05-01), Fujita et al.
patent: 7379686 (2008-05-01), Nishikawa
patent: 2002-40897 (2002-02-01), None
patent: 2006-259367 (2006-09-01), None

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