Vibratory assisted direct marking method and apparatus

Photocopying – Contact printing – Light boxes

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Details

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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