Transfer system with tailored illumination

Details Transfer system with tailored illumination Transfer system with tailored illumination

1974-08-20

1977-03-29

Greiner, Robert P.

Photocopying

Including fiber optics

96 14, 226 94, 271DIG3, G03G 1500

Patent

active

040146057

ABSTRACT:
In an electrostatographic copying system wherein a toner image is transferred from an original image support surface to a copy surface by an electrically biased transfer member generating a transfer field, the transfer field is tailored by providing a photoconductive layer in the transfer area, which layer is illuminated, to render it conductive, in the nip and post-nip areas, but not in the pre-nip area. Belt transfer systems are disclosed utilizing this arrangement. Also disclosed is a copy sheet tacking station having a charging device and a source of illuminaton which are simultaneously activated to tack a copy sheet to the belt.

REFERENCES:
patent: 3414409 (1968-12-01), Gallo
patent: 3642362 (1972-02-01), Mueller
patent: 3707138 (1972-12-01), Cartwright

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