Transfer device in electrophotographic copying machine

Details Transfer device in electrophotographic copying machine Transfer device in electrophotographic copying machine

1988-10-11

1989-07-25

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355219, G03G 1500

Patent

active

048518794

ABSTRACT:
A transfer device for use in an electrophotographic copying machine includes a charger and is disposed opposite to a surface of a photosensitive body where a toner image is formed. When a copy paper is passed through the gap between the transfer device and the photosensitive body surface, the charger discharges and at the same time screening plates are moved into screening positions in the gap to shield the edge sections of the copy paper. Talc particles falling off from these edge sections of the passing copy paper can be thereby prevented from becoming attached to the surface of the photosensitive body.

REFERENCES:
patent: 3850519 (1974-11-01), Weikel, Jr.
patent: 4171899 (1979-10-01), Yanagawa et al.

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