G - Physics – 03 – G
Patent
G - Physics
03
G
314/5
G03G 19/00 (2006.01) G03G 13/16 (2006.01) G03G 15/16 (2006.01)
Patent
CA 1198148
TITLE Electrostatic Printing Process 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 non-conductive mag- netic toner to form a toner image, transferring the toner image to a conductive member and temporarily fix- ing the toner image to the conductive member. The toner image on the conductive member is electrostatically charged, while the charge is dissipated from the remain- ing 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.
431043
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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