Photocopying – Contact printing – Light boxes
Patent
1994-12-09
1996-04-02
Smith, Matthews S.
Photocopying
Contact printing
Light boxes
355210, 355245, 355271, G03G 1514
Patent
active
055045642
ABSTRACT:
The present invention is a method and apparatus for producing an image on the image receiving member. The method and apparatus employ a photoconductive member that is charged by the deposition of charged marking particles on an outer surface thereof. Subsequently, selective regions of the photoconductor are selectively exposed to light patterns to cause the photoconductor to exhibit a photoresponse, thereby collapsing the internal electric field in the exposed regions but not in the unexposed regions. When a field neutralizing bias and acoustic energy are applied in a transfer region, toner in the unexposed regions is transferred to an intermediate member or any substrate interposed between the photoconductive surface and the biasing electrode.
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Mashtare Dale R.
Snelling Christopher
Basch Duane C.
Smith Matthews S.
Xerox Corporation
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