Method for developing an electrostatic latent image in an electr

Details Method for developing an electrostatic latent image in an electr Method for developing an electrostatic latent image in an electr

1982-05-14

1986-02-25

Grimley, A. T.

Photocopying

Including fiber optics

355 3DD, 430 45, G03G 1501, G03G 1301

Patent

active

045726515

ABSTRACT:
In an electrophotographic recording method in which electric charge is uniformly applied to the surface of a photoconductive drum, the drum surface is then exposed to a first information light beam to form a first negative latent image, the first negative latent image is developed with a first two-component developer, the drum surface is further exposed to a second information light beam to form a second negative latent image, and the second negative latent image is developed with a second two-component developer to produce a two-color toner image, the toner content in the second two-component developer is larger than that in the first two-component developer.

REFERENCES:
patent: 4308821 (1982-01-01), Matsumoto et al.
patent: 4416533 (1983-11-01), Tokunaga et al.

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