Cleaning device for modulation control means

Details Cleaning device for modulation control means Cleaning device for modulation control means

1982-09-27

1984-10-23

Moses, R. L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 3SC, G03G 2100

Patent

active

044785100

ABSTRACT:
This invention provides a cleaning device for an image forming apparatus in which an image is formed on an image receiving member by controlling the passage of charged particles such as charged toner particles or a flow of ions through control device having plural openings or slits, and provides in for such a control device. The cleaning device of the present invention eliminates the material deposited in the vicinity of the openings of the control device by means of discharge phenomenon or potential difference, thereby continuously cleaning the openings of the control device and thus enabling stable image formation.

REFERENCES:
patent: 3689935 (1972-09-01), Pressman et al.
patent: 3961848 (1976-06-01), Turner
patent: 4105444 (1978-08-01), Shinohara et al.
patent: 4298268 (1981-11-01), Sato et al.

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