Highlight color printing

Details Highlight color printing Highlight color printing

1987-05-21

1988-08-02

Grimley, A. T.

Photocopying

Including fiber optics

355 3R, 355 10, 346157, 346159, 430 43, 430 53, 430 54, G03G 1501

Patent

active

047616695

ABSTRACT:
An electrophotographic printing machine in which indicia are printed on a sheet in at least two different colors. An electrostatic latent image is recorded on a photoconductive member and developed with a liquid developer material of one color. The latent image is neutralized and ions projected onto the photoconductive member in an image wise pattern to record another latent image. This latent image is developed with a liquid developer of another color. Both liquid images are transferred substantially simultaneously to a sheet to print indicia in two colors thereon.

REFERENCES:
patent: 4155093 (1979-05-01), Fotland et al.
patent: 4236809 (1980-12-01), Kermish
patent: 4255043 (1981-03-01), Hoshino et al.
patent: 4336994 (1982-06-01), Banton
patent: 4403848 (1983-09-01), Snelling
patent: 4456367 (1984-06-01), Szymanski et al.
patent: 4509850 (1985-04-01), Weigl
patent: 4515462 (1985-05-01), Yoneda
patent: 4540272 (1985-09-01), Abe et al.
patent: 4578331 (1986-03-01), Ikeda et al.
patent: 4660059 (1987-04-01), O'Brien

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