Eraser lamp and transparent guide plate in electrostatic image t

Details Eraser lamp and transparent guide plate in electrostatic image t Eraser lamp and transparent guide plate in electrostatic image t

1987-04-16

1989-01-31

Grimley, A. T.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 3TR, 355 14E, 355 14CH, G03G 1500

Patent

active

048019755

ABSTRACT:
A copying machine, including a photosensitive drum; a corona charger; an exposure device for exposing the photosensitive drum to an optical image of an original; a developing unit for developing a toner image on the photosensitive drum; a transfer corona charger for transferring the developed toner image to copy paper; a device for mechanically separating the imaged copy paper from the photosensitive drum; and a system for cleaning the drum after the image transfer, which includes an eraser lamp disposed adjacent the copy paper delivery side of the transfer corona charger at a position for illuminating copy paper from the rear side thereof upon image transfer thereto, and a control unit for controlling the operation of the transfer corona charger and the eraser lamp, thereby assuring smooth separation of copy paper after image transfer and efficient transport of the paper.

REFERENCES:
patent: 3566223 (1971-02-01), Salger
patent: 3575502 (1971-04-01), Eppe
patent: 3689142 (1972-09-01), Yamanoi et al.
patent: 4260240 (1981-04-01), Pieper
patent: 4525057 (1985-06-01), Kaufmann et al.

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