Magnetic brush developing method

Details Magnetic brush developing method Magnetic brush developing method

1999-07-15

2000-07-04

Martin, Roland

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Post imaging process, finishing, or perfecting composition...

G03G 1309

Patent

active

060836555

ABSTRACT:
A developing method including the steps of: stirring a two component-type developer which contains a toner and a carrier; conveying the developer to a developing section with a conveying screw and a developer carrying member; and developing an electrostatic latent image on an image holding member by forming a magnetic brush on a developing magnetic pole, wherein the carrier is a magnetic material dispersion-type resin carrier containing a binder resin and a metal oxide, has a low coercive force and has been previously exposed and magnetized in a specific magnetic field and has stable residual magnetization, thereby imparting a high durability to the developer and making it usable for a long time to reproduce a large number of images having stable qualities.

REFERENCES:
patent: 4906547 (1990-03-01), Tavernier et al.
patent: 5318873 (1994-06-01), Kawamura et al.
patent: 5336580 (1994-08-01), Tavernier et al.
patent: 5346791 (1994-09-01), Ozawa et al.
patent: 5395717 (1995-03-01), Ozawa et al.
patent: 5736287 (1998-04-01), Kobayashi et al.
patent: 6010811 (2000-03-01), Baba et al.

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