Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 9, 2010
Patent Application Number
11879186
Date Filed
July 16, 2007
Patent Primary Examiner
Patent 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.
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