| 摘要 |
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.
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