Detack enhancement for electrostatographic document copiers/prin

Details Detack enhancement for electrostatographic document copiers/prin Detack enhancement for electrostatographic document copiers/prin

1991-06-28

1993-01-05

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355315, 355325, 355326, G03G 1514

Patent

active

051775433

ABSTRACT:
An electrostatographic copier/printer has an image member with at least one portion which can selectively be imaged to receive an electrostatic image to be toned. A toning station is operable to bring the developer into contact with the image member portion so as to produce a toner image according to the electrostatic image if the portion has been imaged and to leave a small amount of background toner uniformly deposited if the image member portion has not been imaged. The background toner on the non-imaged portion serves to assist subsequent detack operation. A plurality of different color toning stations may be provided, and, if so, the black toner toning station is preferably used to leave the background toner.

REFERENCES:
patent: 4353648 (1982-10-01), Tanaka et al.
patent: 4420244 (1983-12-01), Landa
patent: 4928136 (1990-05-01), Kusumoto et al.
patent: 4949128 (1990-08-01), Parsons
patent: 5053818 (1991-10-01), Smith

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