Method for cleaning photoreceptor of image forming apparatus

Details Method for cleaning photoreceptor of image forming apparatus Method for cleaning photoreceptor of image forming apparatus

1987-05-21

1988-08-16

Moses, R. L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 3DD, 355 4, 355 77, 355 14R, 355 14D, 430125, G03G 2100

Patent

active

047647906

ABSTRACT:
A method for cleaning a photoreceptor of an image forming apparatus includes actuating a cleaning means of a cleaning system and rotating the photoreceptor before a usual image forming operation, after a predetermined time, charging a particular area of the photosensitive drum, transferring residual toner adhering to a sealing member of a developing unit to the charged area, carrying the transferred residual toner with rotation of the photoreceptor to the cleaning means of the cleaning device, and removing the residual toner by the cleaning means. Accordingly, the present invention eliminates the possibility of mixing of the color of a previously used toner into a toner image after replacement of a developing unit by another unit containing a different color of toner.

REFERENCES:
patent: 3728016 (1973-04-01), Harbour et al.
patent: 3937570 (1976-02-01), Hudson
patent: 4154522 (1979-05-01), Ikesue
patent: 4481275 (1984-11-01), Iseki et al.
patent: 4518248 (1985-05-01), Nishikawa

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