Color development apparatus

Details Color development apparatus Color development apparatus

1975-01-17

1976-07-20

Stein, Mervin

Coating apparatus

With means to apply electrical and/or radiant energy to work...

With electromagnetic and/or electrostatic removal of...

355 4, G03G 1501, G03G 1508

Patent

active

039700429

ABSTRACT:
A multi-color electrostatic printing machine having processing components to produce either a color or black and white copy of an original. Individual development rollers, one for color and one for black and white, are moved into contact with a photoconductor to develop latent electrostatic images thereon for either a color or black and white copy. Toner donor apparatus spaced about the periphery of the color development roller supply the latter with color toner and additional toner donor apparatus supplies the black development roller with black toner. Each developed color image is transferred in superimposed relationship on sheets of paper.

REFERENCES:
patent: 3672884 (1972-06-01), Mayer
patent: 3705767 (1972-12-01), Tamai et al.
patent: 3724943 (1973-04-01), Draugelis et al.
patent: 3797930 (1974-03-01), Tanaka et al.
patent: 3832170 (1974-08-01), Nagamatsu et al.
patent: 3838919 (1974-10-01), Takahashi
patent: 3848566 (1974-11-01), Stange
patent: 3854449 (1974-12-01), Davidson

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