Method and apparatus for printing two or more colors using an el

Details Method and apparatus for printing two or more colors using an el Method and apparatus for printing two or more colors using an el

1989-11-28

1991-04-09

Miller, Jr., George H.

Recorders

Electric recording

Electrochemical

346108, 346160, G03G 1501, G01D 942, G01D 1514

Patent

active

050068687

ABSTRACT:
A process for single-pass multi-color electrophotographic printing comprising the steps of forming first and second electrically charged oppositely polarized, latent images on a dielectric-covered photoconductive printing. First and second toners, oppositely charged and differently colored are applied to the first and second latent images, forming first and second toned images having different colors and different polarities. The toned images are then similarly charged and transferred to a print medium.

REFERENCES:
patent: 2584695 (1952-02-01), Good
patent: 2752833 (1956-07-01), Jacob
patent: 2879397 (1959-03-01), Lehmann
patent: 2962734 (1960-11-01), Dessauer
patent: 4613877 (1986-09-01), Spencer et al.
patent: 4819028 (1989-04-01), Abe
patent: 4831408 (1989-05-01), Yoshikawa et al.
R. M. Schaffert, Electrophotography, pp. 107-111, (1975), Focal Press Ltd.

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