Toner control for a developer device

Details Toner control for a developer device Toner control for a developer device

1986-07-23

1989-06-20

Prescott, A. C.

Photocopying

Contact printing

Light boxes

355265, 430122, 430138, 430108, 430111, G03G 1508, G03G 1509

Patent

active

048413321

ABSTRACT:
A developing device using an oscillatory electric field and using magnetic poles kept away from a position where the developing sleeve is closest to the image forming member, applying a horizontal magnetic field component to the developer layer and using a pressure member before the transfer gap to establish a layer thickness of the developer layer.

REFERENCES:
patent: 3879737 (1975-04-01), Lunde
patent: 4030447 (1977-06-01), Takahashi et al.
patent: 4350440 (1982-09-01), Watanabe
patent: 4498756 (1985-02-01), Hosoya et al.
patent: 4504136 (1985-03-01), Yoshikawa et al.
patent: 4538898 (1985-09-01), Kanno et al.

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