Electrophotography – Control of electrophotography process – Control of cleaning
Reexamination Certificate
2008-06-03
2008-06-03
Tran, Hoan H (Department: 2852)
Electrophotography
Control of electrophotography process
Control of cleaning
C399S123000, C399S343000
Reexamination Certificate
active
07382996
ABSTRACT:
A method for operating a cleaning device having a preclean charging device for improved cleaning latitude on an imageable surface, including: moving imageable surface in a process direction through a cleaning zone, selecting a portion of the imageable surface moving through the cleaning zone; providing an initial pre-clean current to the selected portion of the imageable surface; and during the moving step, changing, the preclean current to the selected portion of the imageable surface.
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patent: 5903797 (1999-05-01), Daniels et al.
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patent: 6233413 (2001-05-01), Folkins
patent: 6600895 (2003-07-01), Fletcher et al.
patent: 6775512 (2004-08-01), Thayer
Anderson, Jr. Robert B.
Lu Michael Q.
Lundy Douglas A.
Bean II Lloyd F.
Tran Hoan H
Xerox Corporation
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