Device for and method of cleaning photoreceptor medium of...

Details Device for and method of cleaning photoreceptor medium of... Device for and method of cleaning photoreceptor medium of...

2005-07-19

2005-07-19

Grimley, Arthur T. (Department: 2852)

Electrophotography

Cleaning of imaging surface

Magnetic

Reexamination Certificate

active

06920305

ABSTRACT:
A device for and a method of cleaning a photoreceptor medium of an electrophotographic image forming apparatus include a magnet which is installed in a lengthwise direction of the photoreceptor medium and is separated from an outer surface of the photoreceptor medium, and a magnetic fluid which fills a space between the magnet and the outer surface of the photoreceptor medium and closely contacts the outer surface of the photoreceptor medium. Accordingly, abrasion of the photoreceptor medium can be prevented, and since the developer does not stick to the magnetic fluid, a decrease in a cleaning efficiency can be prevented.

REFERENCES:
patent: 3981844 (1976-09-01), Romankiw
patent: 4007982 (1977-02-01), Stange
patent: 4111546 (1978-09-01), Maret
patent: 4211484 (1980-07-01), Iwai et al.
patent: 5799233 (1998-08-01), Ishii et al.
patent: 0361509 (1990-04-01), None
patent: 54037750 (1979-03-01), None
patent: 55105272 (1980-08-01), None
patent: 61090184 (1986-05-01), None
Translation of JP54-037750 (Otomura et al.).

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