Separating apparatus and electrophotographic image forming appar

Details Separating apparatus and electrophotographic image forming appar Separating apparatus and electrophotographic image forming appar

1995-06-14

1996-07-02

Pendegrass, Joan H.

Photocopying

Contact printing

Light boxes

355298, 118603, 209 38, G03G 1508

Patent

active

055328008

ABSTRACT:
The invention provides a separating apparatus for removing foreign matters from magnetic toner, the separating apparatus being used in an electrophotographic image forming apparatus. The separating apparatus comprises a filter having openings for allowing passage of the magnetic toner, a magnetic field generating means for generating a magnetic field for attracting the magnetic toner and causing it to pass through the filter, and a magnetic force decreasing means for decreasing a magnetic force generated by the magnetic field generating means to lessen the magnetic field for attracting the magnetic toner and causing it to pass through the filter.

REFERENCES:
patent: 4389968 (1983-06-01), Satomura
patent: 5455666 (1995-10-01), Saito et al.

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