Developing device

Details Developing device Developing device

2006-04-18

2006-04-18

Tokar, Michael (Department: 2852)

Electrophotography

Image formation

Development

C399S285000

Reexamination Certificate

active

07031646

ABSTRACT:
An electrostatic latent image is formed on an image carrier. A first roller is opposed to the image carrier with a gap in between. A second roller is in contact with the first roller such that toner of a one-component type is supplied onto the image carrier by way of the first roller to develop the electrostatic latent image as a visible toner image. A single power source supplies a bias voltage in which an AC voltage is superposed on a DC bias voltage. The bias voltage is supplied to the first roller through a first path and to the second roller through a second path. A resistor is provided on the first path between the first roller and a branching point of the first path and the second path.

REFERENCES:
patent: 5270786 (1993-12-01), Kikuchi et al.
patent: 5689784 (1997-11-01), Shin et al.
patent: 6026265 (2000-02-01), Kinoshita et al.
patent: 6327451 (2001-12-01), Mizuno
patent: 05-158340 (1993-06-01), None
patent: 09-244481 (1997-09-01), None
patent: 2001-051494 (2001-02-01), None
patent: 2002-072639 (2002-03-01), None

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