Toner feeder system

Details Toner feeder system Toner feeder system

1983-08-16

1985-10-22

Prescott, A. C.

Photocopying

Including fiber optics

355 14D, G03G 1508

Patent

active

045484902

ABSTRACT:
A toner feeder is provided for use with a magnetic roller to tone electrostatic images. The feeder includes a doctor blade attached to an adjustable block for varying the gap between an edge of the blade and the magnetic roller. The block and blade combine to define a recess above the blade and toner builds up in the recess to present a living wall of toner. This reduces agglomeration and build up of toner lumps. The invention is particularly useful with toners requiring relatively low fusing pressures.

REFERENCES:
patent: 4194830 (1980-03-01), Ohnuma et al.
patent: 4233935 (1980-11-01), Uehara et al.
patent: 4267796 (1981-05-01), Kamogawa et al.
patent: 4337724 (1982-07-01), Hosono et al.
patent: 4466730 (1984-08-01), Jugle

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