Electrophotographic apparatus

Photocopying – Including fiber optics

Patent

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430126, G03G 1500

Patent

active

043380174

ABSTRACT:
An electrophotographic apparatus comprising a photosensitive drum applied with a main transfer bias voltage which is adjustable and a transfer roller applied with an auxiliary transfer bias voltage which is also adjustable.

REFERENCES:
patent: 3781105 (1973-12-01), Meagher
patent: 3832053 (1974-08-01), Goel et al.
patent: 3837741 (1974-09-01), Spencer
patent: 3877416 (1975-04-01), Donohue et al.
patent: 3879121 (1975-04-01), Simpson
patent: 4055380 (1977-10-01), Borostyan
patent: 4134147 (1979-01-01), Watanabe
patent: 4220699 (1980-09-01), Ishida et al.

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