Electrophotographic apparatus, image forming method and process

Details Electrophotographic apparatus, image forming method and process Electrophotographic apparatus, image forming method and process

1998-10-20

2000-02-15

Brase, Sandra

Electrophotography

Image formation

Charging

4301066, G03G 1502

Patent

active

060262605

ABSTRACT:
An electrophotographic apparatus includes: an electrophotographic photosensitive member, a charging device including a charging member formed of magnetic particles and disposed contactable to the photosensitive member so as to charge the photosensitive member based on a voltage applied thereto, exposure device, developing device, and a transfer device. The magnetic particles exhibit a good charging ability for a long period and therefore provide a good continuous image-forming performance because they are formed of ferrite particles including a ferrite having a very limited composition represented by the formula of:

REFERENCES:
patent: 5406353 (1995-04-01), Asanae
patent: 5595850 (1997-01-01), Honjo et al.
patent: 5659852 (1997-08-01), Chigono et al.
patent: 5885740 (1999-03-01), Tokunaga et al.

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