Image forming method for setting a developing gap

Details Image forming method for setting a developing gap Image forming method for setting a developing gap

1995-05-17

1996-10-15

Grimley, Arthur T.

Photocopying

Contact printing

Light boxes

118657, 430122, G03G 1309, G03G 1509

Patent

active

055659667

ABSTRACT:
A sleeveless magnet roller is formed of at least magnetic powder and resin. It is so arranged that, letting a developing gap Ds be the gap between an image-bearing member for holding an electrostatic latent image and a developer conveying member and a doctor gap Dg be the gap between the developer conveying member and a developer's thickness regulating member, one obtains Ds-Dg=0.1 to 0.3 (mm) and Dg=0 to 0.4 (mm). For image formation, one- or two-component magnetic developer is used and a bias voltage, formed by superimposing AC bias voltage to DC bias voltage, is applied to the developing region.

REFERENCES:
patent: 4292387 (1981-09-01), Kanbe et al.
patent: 4699865 (1987-10-01), Mitsuhashi
patent: 4841332 (1989-06-01), Haneda et al.
patent: 5217835 (1993-06-01), Watanabe et al.
patent: 5348829 (1994-09-01), Uchiyama et al.
patent: 5424812 (1995-06-01), Kemmochi et al.

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