Transfer system for electrostatic reproduction machine

Details Transfer system for electrostatic reproduction machine Transfer system for electrostatic reproduction machine

1975-08-06

1977-06-07

Miller, Jr., George H.

Photocopying

Including fiber optics

355 14, 271DIG2, G03G 1500

Patent

active

040279600

ABSTRACT:
An improved transfer system for transferring a developed electrostatic image from a photoreceptor to a transfer member includes an electrically biased transfer roll, and a transfer corona generating device. Preferably, the corona generating device is an ultra-high field device.
The transfer member is first fed between the photoreceptor and the transfer roll whereby transfer is initiated and the transfer member is electrostatically tacked to the photoreceptor, and then the transfer member moves beneath the transfer corona generating device whereby transfer is completed. The transfer roll applies a first charge to the transfer member, and the transfer corona generating device then applies a second but higher charge to the transfer member.

REFERENCES:
patent: 3244083 (1966-04-01), Gundlach
patent: 3267840 (1966-08-01), Honma et al.
patent: 3575502 (1971-04-01), Eppe
patent: 3620615 (1971-11-01), Volkers
patent: 3647292 (1972-03-01), Weikel, Jr.
patent: 3970381 (1976-07-01), Meagher et al.

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