G - Physics – 03 – G
Patent
G - Physics
03
G
314/13, 314/8
G03G 15/28 (2006.01) G03G 15/10 (2006.01)
Patent
CA 1143428
-40- ABSTRACT Electrophotographic apparatus for producing high quality, toned, first generation images, said apparatus comprising, in combination means for supporting and transporting an image receiving medium having a flexible substrate and a photoconductive surface, said photoconductive surface facing away from said transporting means; charging means, disposed adjacent to said transport- ing means, for supplying a substantially uniform charge on said photoconductive surface, said charge being substan- tially less than the saturation charge of said surface; exposing means for directing radiation to said photocon- ductive surface after charging at the areas where toned images are to appear, thereby to discharge said surface in said areas; and developing means, disposed adjacent to said transporting means, for applying liquid toner to the discharge areas on said photoconductive surface after exposing, said developing means including: a reservoir of liquid toner comprising toner particles suspended in a first liquid dispersant; means for moving said liquid toner in said reservoir into contact with said photoconductive surface; wherein said toner particles are charged with the same sign as said photoconductive surface and are thereby repelled from said photoconductive surface except at said discharged areas thereof.
350800
Galbraith Wiley E.
Kaufman Arthur L.
Klepper Herbert
Fetherstonhaugh & Co.
Heidelberger Druckmaschinen Aktiengesellschaft
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