Self-cleaning xerographic apparatus

Details Self-cleaning xerographic apparatus Self-cleaning xerographic apparatus

1982-01-11

1984-09-11

Prescott, A. C.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 3DD, 355 3TR, 355 3CH, 355 14D, 355 14TR, 355 14CH, 430 35, 358300, G03G 1500

Patent

active

044706936

ABSTRACT:
Method and apparatus for xerographic printing wherein a magnetic brush unit is used to both apply toner to an image on a photoconductive surface and clean the surface in the same cycle. A reverse imaging process is used in combination with an electronically controlled exposure station. A cleaner or separate cleaning station is not required in the inventive method and apparatus described herein.

REFERENCES:
patent: 2297691 (1942-10-01), Carlson
patent: 2890968 (1959-06-01), Giaimo, Jr.
patent: 3649262 (1972-03-01), Cade et al.
patent: 3661452 (1972-05-01), Henes et al.
patent: 4017170 (1977-04-01), Komori et al.
patent: 4122462 (1978-10-01), Hirayama et al.
patent: 4167324 (1979-09-01), Wu
patent: 4265998 (1981-05-01), Barkley

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