Electrophotography – Cleaning of imaging surface – Plural diverse
Reexamination Certificate
2006-01-24
2008-10-07
Tran, Hoan H (Department: 2852)
Electrophotography
Cleaning of imaging surface
Plural diverse
C399S355000
Reexamination Certificate
active
07433644
ABSTRACT:
A photoconductor belt cleaning system is described. This system can utilize in one embodiment one cleaning brush and a cleaning blade, and in a second embodiment, two cleaning brushes, brush1and brush2, with a cleaning blade. In the second embodiment, the cleaning blade is located in the system before brush2, and adjacent to brush1. The brushes are charged in an opposite polarity to the charge of the toner to be removed from the photoconductor belt.
REFERENCES:
patent: 5264904 (1993-11-01), Audi et al.
patent: 6895209 (2005-05-01), Kawahara et al.
patent: 7078142 (2006-07-01), Itami et al.
patent: 7233755 (2007-06-01), Tango et al.
Johnson D. Clay
Lu Michael
Lundy Douglas
Parks Bruce J.
Cohen Gary B.
Tran Hoan H
Xerox Corporation
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