Transfer roll having means for monitoring and controlling the re

Details Transfer roll having means for monitoring and controlling the re Transfer roll having means for monitoring and controlling the re

1975-01-10

1976-05-04

Hix, L. T.

Photocopying

Including fiber optics

355 30, G03G 1522

Patent

active

039543331

ABSTRACT:
Apparatus is provided for heating an electrically biased transfer roll in an electrostatic reproduction machine so as to improve the transfer of a developed electrostatic image from a photoreceptor to a transfer member during operation of the machine. The roll is heated to maintain the resistivity thereof within a range which will effect optimum transfer, and to alleviate the detrimental effects of ambient temperature changes on the resistivity.

REFERENCES:
patent: 3591276 (1971-07-01), Byrne
patent: 3634007 (1972-01-01), Verderber et al.
patent: 3677632 (1972-07-01), MacDonald
patent: 3685896 (1972-08-01), Kaupp
patent: 3781105 (1973-12-01), Meagher
patent: 3837741 (1974-01-01), Spencer
patent: 3877416 (1975-04-01), Donohue et al.
patent: 3893761 (1975-07-01), Buchan et al.

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