Scavengeless development apparatus for use in highlight color im

Photocopying – Contact printing – Light boxes

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Details

355265, 118653, 430120, G03G 1508

Patent

active

048686000

ABSTRACT:
The present invention uses a scavengeless development system in which toner detachment from a donor and the concomitant generation of a controlled powder cloud is obtained by AC electric fields supplied by self-spaced electrode structures positioned within the development nip. The electrode structure is placed in close proximity to the toned donor within the gap between the toned donor and image receiver, self-spacing being effected via the toner on the donor. Such spacing enables the creation of relatively large electrostatic fields without risk of air breakdown.

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