Process for developing and transferring magnetic toner images

Details Process for developing and transferring magnetic toner images Process for developing and transferring magnetic toner images

1983-04-14

1987-03-31

Braun, Fred L.

Photocopying

Including fiber optics

355 14D, 430122, G03G 1309, G03G, G03G

Patent

active

046538968

ABSTRACT:
In electrostatic latent image developing process capable of effecting either positive or negative reproduction a magnetic toner of a high resistivity is controlled to form a magnetic brush having a potential insufficient for development. The toner chain constituting the brush is separated under the influence of an electric field between the developing roll and the image carrier, to produce toner particles having one polarity continuing with the developing roll, and particles of the opposite polarity transferred to the carrier.

REFERENCES:
patent: 4166691 (1979-09-01), Ebi et al.
patent: 4190348 (1980-02-01), Friday
patent: 4194828 (1980-03-01), Holz et al.
patent: 4292387 (1981-09-01), Kanbe et al.
patent: 4350440 (1982-09-01), Watanabe
patent: 4382420 (1983-05-01), Ohnuma et al.
patent: 4422749 (1983-12-01), Hoshino et al.

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