Developing device and image forming apparatus

Details Developing device and image forming apparatus Developing device and image forming apparatus

2007-08-17

2010-12-07

Gray, David M (Department: 2852)

Electrophotography

Control of electrophotography process

Control of developing

C399S155000

Reexamination Certificate

active

07848670

ABSTRACT:
A developing device includes an image carrier, a developer carrier, a biasing unit disposed upstream of a developing area, and a controller configured to control the biasing unit, and a cleaning member disposed downstream of the developing area to remove the liquid developing agent remaining on the developer carrier. A latent image held on the image carrier may be developed with the liquid developing agent, including charged toner and a carrier liquid, at the developing area where the developer carrier faces the image carrier. The controller causes the biasing unit to apply a first bias voltage to the surface of the liquid developing agent held on the developer carrier during developing, or a second bias voltage thereto during cleaning.

REFERENCES:
patent: 5574548 (1996-11-01), Iino et al.
patent: 2005-234430 (2005-09-01), None
patent: 2006-030719 (2006-02-01), None
Machine translation of Abe et al. (JP 2005-234430 A2), Listed in IDS.

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