Electrostatic printing apparatus and method

Details Electrostatic printing apparatus and method Electrostatic printing apparatus and method

1982-12-03

1985-05-14

Moses, R. L.

Photocopying

Including fiber optics

355 3R, G03G 1516

Patent

active

045168474

ABSTRACT:
Apparatus is provided for printing on a receptor such as paper. An electrostatic image is formed on a dielectric-coated drum in a controlled environment to minimize the creation of chemical contaminants. The image is then toned by wiping toner over the image from a toner delivery system which includes a mouth shaped to cause a vortex in the toner to improve toner flow. After toning the image is transferred to the receptor under pressure from a roller which is skewed with reference to the drum. The pressure in the nip is sufficient to also cause the toner to be fused to the receptor. An image eraser is also provided in the controlled environment.

REFERENCES:
patent: 3751156 (1973-08-01), Szostak et al.
patent: 4257700 (1981-03-01), Tsuda et al.
patent: 4362378 (1982-12-01), Erskine et al.
patent: 4415257 (1983-11-01), Kopp et al.
patent: 4431301 (1984-02-01), Hashimoto et al.

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