Image forming apparatus having cleaning means

Details Image forming apparatus having cleaning means Image forming apparatus having cleaning means

1992-03-25

1993-09-28

Braun, Fred L.

Photocopying

Contact printing

Light boxes

118652, 355305, G03G 2100

Patent

active

052490254

ABSTRACT:
An image forming apparatus includes a cleaning member which frictionally contacts magnetic particles on a magnet roller with an image bearing member in order to remove foreign matter adhered to the image bearing member, thereby preventing the deteriorating of the image quality. The magnet roller rotates slowly so that a portion thereof opposed to the image bearing member is moved in the same direction as a moving direction of the image bearing member. This prevents the toner from overflowing and scattering out of the cleaning member. Further, when non-magnetic toner is used, by providing a toner cavity on the magnet roller, the scattering of the non-magnetic toner can be prevented, whereby parts inside the apparatus are prevented from being contaminated by the toner.

REFERENCES:
patent: 3918808 (1975-11-01), Narita
patent: 4370049 (1983-01-01), Kuge et al.
patent: 4426151 (1984-01-01), Aguro et al.
patent: 4671641 (1987-06-01), Kohyama
patent: 4674865 (1987-06-01), Tada et al.
patent: 4711555 (1987-12-01), Toshimitsu et al.
patent: 4739370 (1988-04-01), Yoshida et al.
patent: 4972233 (1990-11-01), Yamazaki et al.
patent: 5027161 (1991-06-01), Kume et al.

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