Donor roll for scavengeless development in a xerographic apparat

Details Donor roll for scavengeless development in a xerographic apparat Donor roll for scavengeless development in a xerographic apparat

1992-10-02

1993-09-14

Grimley, A. T.

Photocopying

Contact printing

Light boxes

118647, 118649, 118661, 355261, 355263, G03G 1506

Patent

active

052453928

ABSTRACT:
A donor roll for the conveyance of toner in a development system for an electrophotographic printer includes an outer surface of phenolic resin. The resin is doped to a suitable conductivity to facilitate a discharge time constant thereon of less than 300 microseconds. The donor roll is used in conjunction with an electrode structure as used in scavengeless development.

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