Method of removing electrostatic charge from electrophotographic

Details Method of removing electrostatic charge from electrophotographic Method of removing electrostatic charge from electrophotographic

1984-11-09

1986-03-25

Martin, Roland E.

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Charging simultaneous with imaging

430125, G03G 1324

Patent

active

045783322

ABSTRACT:
A method of removing electrostatic charge for erasing an electrostatic latent image from an electrophotographic photosensitive device having a conductive layer overlain by a photoconductive layer which in turn is overlain by a transparent insulating layer. The method comprises a first step of uniformly charging the photosensitive device by a D.C. charger while subjecting the photosensitive device to an exposure over the whole area thereof; a second step of effecting a charging for adjustment of potential level so as to adjust the potential of the photosensitive device from the level obtained as a result of the charging in the first step to the aimed level; and a third step of exposing the whole area of the photosensitive device. With this method, it is possible to remove electrostatic charge almost perfectly to eliminate undersirable shift of the potential of the photosensitive device after the erasion.

REFERENCES:
patent: 4063945 (1977-12-01), Von Hoene et al.
patent: 4254199 (1981-03-01), Tutihasi
patent: 4265998 (1981-05-01), Barkley
Anderson et al., "Xerographic Interenage Erase", IBM Tech. Discl. Bull., vol. 25, No. 2, Jul. 1982, p 511.

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