Image forming apparatus having a charging member and means for p

Details Image forming apparatus having a charging member and means for p Image forming apparatus having a charging member and means for p

1992-05-26

1993-08-31

Grimley, A. T.

Photocopying

Contact printing

Light boxes

361221, G03G 1502

Patent

active

052413420

ABSTRACT:
In a printer, in which a fixed brush charger charges a surface of a photosensitive drum to form a charged area to be converted into an electrostatic latent image by an optical system, fine particles having a volumetric mean particle diameter of 5 to 20 .mu.m are supplied to the brush charger, from upstream side, in a moving direction of surface of the photosensitive member, of the charger, the particles being adhered onto the surface of the photosensitive member with an adhesion density of 5 to 1000 pcs/cm.sup.2.

REFERENCES:
patent: 3589895 (1971-06-01), Ville
patent: 4706320 (1987-11-01), Swift
patent: 5128725 (1992-07-01), Frankel et al.

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