Air filtration for xerographic corona devices

Photocopying – Contact printing – Light boxes

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Details

204176, 355221, 361229, G03G 2100

Patent

active

051702118

ABSTRACT:
A copying apparatus which includes a filtering system defining an inlet and an outlet to the corotron cavity. Both the inlet and the outlet include filter material for filtering the air before it is delivered to the corotron cavity and filtering effluents generated during actuation of scorotron wires. The pathways to the inlet and the scorotron cavity are sealed to ensure little or no leakage of contaminated air which could be exposed to the scorotron wires. For this purpose two activated charcoal filters are doped with silver on a foam substrate, utilized both for the inlet and the outlet filters.

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