Developing apparatus using microcapsule developing agent and met

Details Developing apparatus using microcapsule developing agent and met Developing apparatus using microcapsule developing agent and met

1988-06-06

1990-06-19

Braun, Fred L.

Photocopying

Contact printing

Light boxes

355245, 430122, G03G 1309, G03G 1509

Patent

active

049357840

ABSTRACT:
Apparatus for developing a latent image on a photo-sensitive drum which apparatus uses as a developing agent microcapsule toner magnetic particles wherein regulation member contacts the surface of developing agent carrier, or sleeve, under pressure for regulating the thickness of a uniform thin layer of the particles deposited on the sleeve and the contact pressure of the regulation member on the sleeve is not more than 20 g/cm. Preferably, the toner particles have a residual magnetic level not more than 4 emu/g and a magnetic holding force not more than 90 Oe.

REFERENCES:
patent: 4528937 (1985-07-01), Kanno et al.
patent: 4616918 (1986-10-01), Kohyama et al.
patent: 4662311 (1987-05-01), Shoji et al.
patent: 4755847 (1988-07-01), Matsushiro et al.
patent: 4760422 (1988-07-01), Seimiya et al.
patent: 4780741 (1988-10-01), Wada et al.
patent: 4799086 (1989-01-01), Mori

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