Automatic cleaning method for image development apparatus

Details Automatic cleaning method for image development apparatus Automatic cleaning method for image development apparatus

1988-08-22

1990-01-23

Pendegrass, Joan H.

Coating apparatus

With means to apply electrical and/or radiant energy to work...

With electromagnetic and/or electrostatic removal of...

355307, 430125, G03G 1521

Patent

active

048951030

ABSTRACT:
A method of cleaning a circulation path of an image developing apparatus using liquid toners. Liquid dispersant is continuously circulated from its supply tank by a pump along lines to a toner applicator then back to the supply tank. Color concentrates containing charge bearing solid pigment particles are selectively injected and mixed with the dispersant by means of pumps or valves to form liquid toner only when developing a latent image is desired. When toner application is completed, the injection of color concentrate into the dispersant is stopped, and the liquid dispersant then automatically rinses the liquid toner out of the circulation path.

REFERENCES:
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patent: 3900003 (1975-08-01), Sato et al.
patent: 4157219 (1979-06-01), Ohta et al.
patent: 4351604 (1982-09-01), Karasawa et al.
patent: 4627705 (1986-12-01), Landa et al.
patent: 4706605 (1987-11-01), Bibl et al.
patent: 4799452 (1989-01-01), Day

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