Electrostatic printing process

Details Electrostatic printing process Electrostatic printing process

1983-12-02

1987-01-13

Martin, Roland E.

Radiation imagery chemistry: process, composition, or product th

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

Magnetic imaging

430 49, 430126, G03G 1900

Patent

active

046364498

ABSTRACT:
An electrostatic printing process is disclosed wherein a printing roll is formed by forming a latent magnetic image in a magnetic imaging member, decorating the latent magnetic image with a nonconductive magnetic toner to form a toner image, transferring the toner image to a conductive member and temporarily fixing the toner image to the conductive member. The toner image on the conductive member is electrostatically charged, while the charge is dissipated from the remaining area of the conductive member. The charged image of magnetic toner is decorated with an electrostatic toner comprising a colorant and a binder resin to form an electrostatic image which is transferred to a substrate. Pattern change is accomplished by washing off the fused toner from the conductive print roll and forming a new fused toner image on it.

REFERENCES:
patent: 3063859 (1962-11-01), Heckscher
patent: 3250636 (1966-05-01), Wilforth
patent: 3271146 (1966-09-01), Robinson

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