Image forming apparatus with cassette-type cleaner

Details Image forming apparatus with cassette-type cleaner Image forming apparatus with cassette-type cleaner

1998-07-10

2000-03-07

Smith, Matthew S.

Electrophotography

Cleaning of imaging surface

Retractable cleaning arrangement

15 151, G03G 2100

Patent

active

060351764

ABSTRACT:
An image forming apparatus having a cassette-type cleaner for removing contaminants sticking to the surface of a photosensitive medium or a transfer roller including a photoreceptor belt circulating along an endless track by a plurality of rollers, a laser scanning unit for forming a latent electrostatic image on the photoreceptor belt, a development unit for developing the latent electrostatic image formed on the photoreceptor belt into a toner image; a drying unit for drying the photoreceptor belt; a transfer unit for transferring the toner image of the photoreceptor belt onto a sheet of paper, and a cassette-type cleaner having a case having a cavity at its one side, a cleaning belt partially exposed by the cavity and installed within the case so as to contact the contaminated portion of the image forming apparatus, and first and second guiding rollers rotatably installed within the case and spaced a predetermined distance spaced apart, for guiding the cleaning belt. The efficiency of removing contaminants sticking to the surface of the photoreceptor belt is increased by using the cassette-type cleaner.

REFERENCES:
patent: 3659302 (1972-05-01), Egnaczak
patent: 4862221 (1989-08-01), Tabuchi et al.
patent: 5210582 (1993-05-01), Lundy et al.

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