Apparatus for controlling the rotation of a photosensitive drum

Details Apparatus for controlling the rotation of a photosensitive drum Apparatus for controlling the rotation of a photosensitive drum

1978-03-30

1979-10-30

Braun, Fred L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 3SC, G03G 1500

Patent

active

041726545

ABSTRACT:
In an electrophotographic apparatus including a photosensitive screen drum there is produced a rotation signal each time the screen drum rotates one revolution beginning with a second revolution and the drum is stopped by an n.sup.th rotation signal, so that the drum is rotated through (n+l) revolutions when n copies are formed from the same document. During the first revolution of the screen drum, an electrostatic charge latent image is formed on the drum and during the successive n revolutions the latent image is repeatedly transferred to form n copies. A resetting operation of a copy number setting dial is initiated from the second revolution by the first rotation signal.

REFERENCES:
patent: 3873196 (1975-03-01), Ogawa
patent: 3916167 (1975-10-01), Cook

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