Photocopying – Including fiber optics
Patent
1983-11-15
1986-04-01
Grimley, A. T.
Photocopying
Including fiber optics
355 3CH, 355 3TR, 355 14E, G03G 1500
Patent
active
045794405
ABSTRACT:
Disclosed is a copying machine using the same unit for commonly executing exposure and cleaning, while providing a copy of the original by causing the photoconductor to rotate through two revolutions. The copying machine sequentially executes operations including uniformly charging a photoconductor during its first revolution, image exposure via an exposure unit, forming a electrostatic latent image on the photoconductor, making the electrostatic latent visible via a developer unit and subsequent transfer of the developed image onto a copy paper, and cleaning of the residual toner from the photoconductor using the same developer unit during the second revolution of the photoconductor.
The copying machine executes image exposure using an image exposure unit during the first revolution of the photoconductor and also executes an optical discharge by commonly using the image exposure unit at the same position during the second revolution of the photoconductor.
REFERENCES:
patent: 4087170 (1978-05-01), Sawaoka et al.
patent: 4141648 (1979-02-01), Gaitten
patent: 4205912 (1980-06-01), Yamaguchi et al.
patent: 4372669 (1983-02-01), Fantuzzo et al.
Grimley A. T.
Pendegrass J.
Sharp Kabushiki Kaisha
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