Image forming apparatus having function of dust removal

Details Image forming apparatus having function of dust removal Image forming apparatus having function of dust removal

1992-06-24

1993-08-24

Grimley, A. T.

Photocopying

Contact printing

Light boxes

118652, 355245, G03G 1506

Patent

active

052393453

ABSTRACT:
An image forming device for printing images on sheets of material includes a photosensitive member for carrying a latent image thereon, a developing roller rotatably disposed adjacent to the photosensitive member for supplying a layer of toner to the photosensitive member through rotation, and a developing blade adjustably disposed adjacent to the developing roller for regulating the thickness of the toner layer supplied to the photosensitive member. A driving circuit controllably rotates the developing roller, and a controller controls the driving circuit. The controller generates signals to control the driving circuit to reverse the rotation of the developing roller under certain conditions.

REFERENCES:
patent: 4267245 (1981-05-01), Wada
patent: 4271784 (1981-06-01), Ishimoto et al.
patent: 4398817 (1983-08-01), Nishimura et al.
patent: 4436415 (1984-03-01), Oka
patent: 4873940 (1989-10-01), Ishikawa et al.

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