Precision Image Corporation

Higginson, John A

Andreas Bibl

Gene F Day

An electrostatic color picture having a single toning shoe for successively and sequentially applying color liquid developers to a color latent image overlay to a sheet disposed against a rotating drum. An electrostatic head scans the sheet in a helical pattern of abutting stripes and forms the latent image on the sheet. A toning shoe assembly follows the head and applies one of the color developers to the sheet. A drain selector foot, pivotable beneath the toning shoe, brings an appropriate developer recycling tube into communication with a drain in the toning shoe assembly for returning used developer to the correct supply tank. After scanning the sheet, the toning shoe is rinsed with a solvent at a cleaning station past the end of the drum. The toning shoe has a plurality of pressure responsive reed valves, each communicating with one of a plurality of channels in the shoe for selecting sequential color developers until the entire image is toned in repeated passes of the single toning shoe.

Growing community of inventors

Santa Clara, CA, United States of America

Higginson, John A