Developing device having a voltage application member for...

Details Developing device having a voltage application member for... Developing device having a voltage application member for...

2007-11-27

2007-11-27

Grainger, Quana (Department: 2852)

Electrophotography

Image formation

Development

Reexamination Certificate

active

11019477

ABSTRACT:
A developing device10has a voltage application member18which is in contact via a toner layer with a developing roller14that rotates while holding the toner layer on its outer peripheral surface. To the toner layer, the voltage application member18applies a relatively low voltage in an upstream-side contact portion with respect to a rotational direction of the developing roller14, and applies a relatively high voltage in a downstream-side contact portion thereof.

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Japanese Office Action dated Feb. 20, 200 7, directed at counterpart JP application No. 2004-298410.

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