Toner and imaging processes

Details Toner and imaging processes Toner and imaging processes

1990-07-02

1992-02-11

Goodrow, John

Radiation imagery chemistry: process, composition, or product th

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

To produce color reproduction

430126, G03G 1314, G03G 1306

Patent

active

050875388

ABSTRACT:
An imaging process which includes (1) charging an imaging member in an imaging apparatus; (2) creating on the member a latent image comprising areas of high, intermediate, and low potential; (3) developing the low areas of potential with a first developer comprising carrier and a first negatively charged toner comprised of resin, a positively charging colored pigment, and a negatively charging colored pigment; (4) developing the high areas of potential with a second developer comprising carrier and a second toner comprised of resin, pigment, and a charge enhancing additive that enables a positively charged toner; (5) transferring the resulting developed image to a substrate; and (6) fixing the image thereto.

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