Apparatus for driving photosensitive belt

Details Apparatus for driving photosensitive belt Apparatus for driving photosensitive belt

1998-05-26

1999-11-23

Braun, Fred L.

Electrophotography

Image formation

Photoconductive member

G03G 1500

Patent

active

059915765

ABSTRACT:
An apparatus for driving a photosensitive belt is applied to an electrophotographic printer in which a continuously moving photosensitive belt is scanned by an optical beam, thereby forming a latent image on the photosensitive belt for a developer liquid to be applied. The apparatus for driving the photosensitive belt includes a photosensor, a controller and a stepping motor. The photosensor is installed at a position near to the rear end of the scanning area for generating a pulse signal whenever a unit scan line of the photosensitive belt has been completely scanned by the optical beam. The controller processes the pulse signal and drives the stepping motor to rotate a predetermined angle to thereby move the photosensitive belt a unit scan line distance whenever the driving pulse signal from the controller is applied thereto. In this way, the speed of the photosensitive belt will not be excessive so as to prevent complete scanning of each scan line of the optical beam.

REFERENCES:
patent: 5111242 (1992-05-01), Tanimoto et al.
patent: 5381167 (1995-01-01), Fujii et al.
patent: 5592261 (1997-01-01), Yoshino
patent: 5678144 (1997-10-01), Osaki et al.
patent: 5701549 (1997-12-01), Portig et al.

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