Method of forming image using magnetic developer with high volum

Details Method of forming image using magnetic developer with high volum Method of forming image using magnetic developer with high volum

1995-07-06

1996-10-15

Moses, R. L.

Photocopying

Contact printing

Light boxes

118657, 430122, G03G 1508

Patent

active

055659675

ABSTRACT:
An image forming method includes the steps of charging a surface of a movable image-bearing member uniformly by using a roller charging means, forming an electrostatic latent image on the image-bearing member by carrying out an image exposure, delivering a magnetic developer which is attracted onto a surface of a sleeveless permanent magnetic member to a developing region located opposite to the electrostatic latent image formed on the image-bearing member, the sleeveless permanent magnetic member being formed with a plurality of magnetic poles provided on its surface and having a cylinder shape, developing the electrostatic latent image using the magnetic developer comprising a toner and magnetic carriers, the magnetic carriers having a volume resistivity of 10.sup.10 .OMEGA..cm or more, and transferring a toner image onto a transfer sheet by using a roller transfer means.

REFERENCES:
patent: 5294967 (1994-03-01), Munakata
patent: 5438398 (1995-08-01), Tanigawa et al.
patent: 5463450 (1995-10-01), Inoue et al.

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