Tandem tri-level xerographic apparatus and method for producing

Details Tandem tri-level xerographic apparatus and method for producing Tandem tri-level xerographic apparatus and method for producing

1999-06-30

2000-12-19

Brase, Sandra

Electrophotography

Image formation

Development

399299, G03G 1501

Patent

active

06163672&

ABSTRACT:
Apparatus and method for creating highly registered quality pictorial color images include a first tri-level xerographic module using first and second color marking materials for creating and developing a first tri-level image including custom CAD and custom DAD image areas having different voltage levels respectively to form a first composite color separation image; a transfer station for transferring the first composite color separation image onto an intermediate transfer member; a second tri-level xerographic module using third and fourth color marking materials for similarly creating and developing a second tri-level image including custom CAD and custom DAD image areas having different voltage levels respectively to form a second composite color image; a transfer station for transferring the second composite color separation image, in registration onto the intermediate transfer member; a third tri-level xerographic module using fifth and sixth color marking materials for similarly creating and developing a third tri-level image including custom CAD image areas and custom DAD image areas having different voltage levels respectively to form a third composite color image; wherein pairings of the first and second, third and fourth, and fifth and sixth, color marking materials are selected so that one such pairing is cyan (C) and magenta (M) so as to improve registration of the desired final pictorial image.

REFERENCES:
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patent: 5534990 (1996-07-01), Harris
patent: 5613176 (1997-03-01), Grace
patent: 5751437 (1998-05-01), Parker et al.
patent: 5837408 (1998-11-01), Parker et al.

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