Electrophotographic image-forming process using grey toner

Details Electrophotographic image-forming process using grey toner Electrophotographic image-forming process using grey toner

1990-04-27

1991-12-31

Welsh, David

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

To produce color reproduction

430103, 430106, 430109, 430122, G03G 1309

Patent

active

050771582

ABSTRACT:
In forming an image by developing an electrostatic latent image with a grey toner, a mixture of a white toner and a black toner is used as the grey toner and the ratio (D) of the black toner to the entire toner, the developing voltage (DV) and the image density (ID) are set so that the requirement represented by the following formula is satisfied:

REFERENCES:
patent: 3013890 (1961-12-01), Bixby
patent: 3060021 (1962-10-01), Greig

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