Latent image color developing system

Details Latent image color developing system Latent image color developing system

1988-01-22

1989-05-23

Prescott, A. C.

Photocopying

Contact printing

Light boxes

355251, 430 42, G03G 1501

Patent

active

048335053

ABSTRACT:
A latent color image developing system for copying a document having a first color images and second color images develops the first color images with a first color developer and the second color images with a second color developer. The second color developer includes a toner and a magnetic carrier having a density of less than 4.0 g/cm.sup.3 and a particle size in the range of 30-50 microns. A developer roll is used having a main developing pole with a flux density of more than 500 gauss in a nip region proximate a photosensitive member having latent electrostatic images to be developed.

REFERENCES:
patent: 4335194 (1982-06-01), Sakai
patent: 4518246 (1985-05-01), Spitzner et al.
patent: 4599285 (1986-07-01), Haneda et al.
patent: 4682880 (1987-07-01), Fujii et al.
patent: 4746952 (1988-05-01), Kusuda et al.
patent: 4754301 (1988-06-01), Kasamura et al.

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