Electrophotographic image-forming method

Details Electrophotographic image-forming method Electrophotographic image-forming method

1990-07-26

1992-07-21

Goodrow, John

Radiation imagery chemistry: process, composition, or product th

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

Post imaging process, finishing, or perfecting composition...

G03G 1314

Patent

active

051321998

ABSTRACT:
An image-forming method including the steps of forming a thin layer of a photosensitive toner charged to have a given polarity on a conductive drum, exposing the thin layer to light according to image information, and transferring a part of the photosensitive toner onto a transfer material. The transferring step includes contacting the transfer material with the thin layer after the exposing step as applying a pressure to the transfer material, and irradiating a corona ion from a back side of the transfer material to the thin layer by using a corona charger. Thus, the transfer material is maintained in pressure contact with the thin layer of the toner during the transferring step, thereby improving a transfer efficiency of the toner to the transfer material to obtain a satisfactory image having a high density and no void.

REFERENCES:
patent: 2924519 (1960-02-01), Bertelsen
patent: 3932035 (1976-01-01), Sato et al.

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