Development unit for electrostatographic printing having a spill

Details Development unit for electrostatographic printing having a spill Development unit for electrostatographic printing having a spill

1994-05-02

1995-07-25

Grimley, A. T.

Photocopying

Contact printing

Light boxes

118653, G03G 1506

Patent

active

054367034

ABSTRACT:
A development unit for electrostatic printing is designed to eliminate used developer at a steady rate. A barrier mounted in the housing defines in the housing a first chamber adapted to store a supply of developer material therein, and a second chamber adapted to receive excess developer material from the first chamber of the housing. A transport is mounted in the second chamber, for advancing developer material from the barrier.

REFERENCES:
patent: 4614165 (1986-09-01), Folkins et al.
patent: 4891673 (1990-01-01), Buell
patent: 5095338 (1992-03-01), Hayes, Jr. et al.
patent: 5235391 (1993-08-01), Aimoto
patent: 5250749 (1993-10-01), Aimoto
patent: 5335051 (1994-08-01), Tani

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