Developer carrier of a developing device and a method of produci

Details Developer carrier of a developing device and a method of produci Developer carrier of a developing device and a method of produci

1991-04-09

1992-12-15

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355245, 355259, 118651, 118653, 118656, G03G 1506, G03G 1306

Patent

active

051721694

ABSTRACT:
A developer carrier constituting a developing roller which carries a developer on the surface thereof where numerous microfields are developed. The developing roller has a conductive base and a plurality of different kinds of substances each having a particular charging characteristic. The different kinds of substances show themselves on the surface of the base in a regular or irregular pattern, and each is charged to a particular polarity.

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