Electrophotographic printer having cam-operated transfer roller

Details Electrophotographic printer having cam-operated transfer roller Electrophotographic printer having cam-operated transfer roller

1994-07-07

1995-05-30

Smith, Matthew S.

Photocopying

Contact printing

Light boxes

355273, 355277, 355326R, G03G 1514

Patent

active

054206766

ABSTRACT:
An EP printer include a photoconductor-coated drum which has, at its respective ends, a pair of cam plates. Each of the cam plates is provided with plural cam paths, at least a pair of which are employed to control both squeegee and developer rollers within adjacently positioned plural color toner developer modules. A pair of additional cam paths on the cam plates, in combination with link arms and spring-biased follower mechanisms, enable selective engagement and disengagement of a transfer roller with the photoconductor surface so as to enable transfer of a toned image to a media sheet.

REFERENCES:
patent: 5051783 (1991-09-01), Sato
patent: 5235383 (1993-08-01), Tada et al.
patent: 5276479 (1994-01-01), Inomata

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