Method and apparatus for disabling defective sections on a photo

Details Method and apparatus for disabling defective sections on a photo Method and apparatus for disabling defective sections on a photo

1991-12-05

1992-12-22

Pendegrass, Joan H.

Photocopying

Contact printing

Light boxes

355212, G03G 1500

Patent

active

051737337

ABSTRACT:
In an electrophotographic apparatus, electrostatic latent images are formed on an endless photoreceptor belt for subsequent development by toner particles and transfer of the toner image to output sheets. The belt has at least two identifiable sections around its length on which images are formed. If a defect occurs in one of the belt sections, the defective belt section may be disabled, so that the formation of images on that section is prevented, while images may be formed on at least one remaining belt section.

REFERENCES:
patent: 3912390 (1975-10-01), van Herten
patent: 4556311 (1985-12-01), Tagoku
patent: 4630129 (1986-12-01), Hayashi et al.
patent: 4965613 (1990-10-01), Morris et al.
patent: 5077576 (1991-12-01), Stansfield et al.

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