Developing device and image-forming apparatus using...

Electrophotography – Image formation – Development

Reexamination Certificate

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Details

C399S270000, C399S272000

Reexamination Certificate

active

07734227

ABSTRACT:
A developing device2a, which is provided with: a developer tank16that houses a developer24containing a toner, a carrier for charging the toner and reverse polarity particles that are charged with a polarity reversed to the electrostatic charge polarity of the toner by the carrier; a developer-supporting member11that supports the developer supplied from the developer tank on the surface thereof, and transports the developer; and a separating mechanism22that separates the toner or the reverse polarity particles from the developer supported on the developer-supporting member, and the reverse polarity particles are collected into the developer tank, is provided, and an image-forming apparatus having such a developing device and an image-forming method applied thereto are also provided.

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