Optical switching scheme for SCD donor roll bias

Details Optical switching scheme for SCD donor roll bias Optical switching scheme for SCD donor roll bias

1993-11-23

1995-02-28

Royer, William J.

Photocopying

Contact printing

Light boxes

118647, 118651, 355261, G03G 1506

Patent

active

053942256

ABSTRACT:
A non-interactive or scavengeless development system for use in color imaging. To control the developability of lines and the degree of interaction between the toner and receiver, an AC voltage is applied between a donor roll and two sets of interdigitated electrodes embedded in the surface of the donor roll to enable efficient detachment of toner from the donor to form a toner cloud. An optical switching arrangement effects an electrical connection between a slip ring and one set of interdigitated electrodes.

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