Toner guide roller for image-forming process and apparatus appli

Details Toner guide roller for image-forming process and apparatus appli Toner guide roller for image-forming process and apparatus appli

1993-11-08

1994-09-20

Moses, R. L.

Photocopying

Contact printing

Light boxes

355297, 118652, 430125, G03G 2100

Patent

active

053494261

ABSTRACT:
An image forming apparatus, such as a copier and a printer, for forming a toner image on a recording sheet. The apparatus includes: a photoreceptor for holding the toner image; an image exposure driver for forming a latent image on the photoreceptor; a developer for developing the latent image with a toner so that the toner image is formed on the surface of the photoreceptor; a transferrer for transferring the toner image from the surface of the photoreceptor to the recording sheet; a scraping blade for scraping off a residual toner on the surface of the photoreceptor after the toner image is transferred from the surface to the recording sheet; a toner collection chanber for collecting the residual toner; a toner guide roller for conveying the residual toner from the scraping blade to the toner collecting chanber; in which the toner guide roller is urged onto the surface of the photoreceptor, and the toner guide roller has a surface made of an open-cell cellular material having a pore size between 1 .mu.m and 50 .mu.m.

REFERENCES:
patent: 3871762 (1975-03-01), Van Der Vlasakker
patent: 4323306 (1982-04-01), Ito et al.
patent: 4739370 (1988-04-01), Yoshida
patent: 5148227 (1992-09-01), Senba
Japanese Published Utility Model Application No. 57-172470/1982.
English Abstract of Japanese Patent Document 1-267680, Document Publication Date Oct. 25, 1989.
Communication of European Search Report for Application No. EP 93118148, dated Mar. 2, 1994.

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