Electrophotographic image forming apparatus

Details Electrophotographic image forming apparatus Electrophotographic image forming apparatus

2009-02-24

2011-12-27

Porta, David (Department: 2884)

Electrophotography

Image formation

Development

Reexamination Certificate

active

08086148

ABSTRACT:
An electrophotographic image forming apparatus is disclosed. The electrophotographic image forming apparatus includes a photoconductor body, a donor roller which develops an electrostatic latent image on the surface of the photoconductor body by using charged toners, and a development nip section formed between the photoconductor body and the donor roller by having a predetermined gap between the photoconductor body and the donor roller. A developing traveling-wave electrode for generating a traveling-wave electric field is disposed at a position facing the surface of the donor roller at an upstream side of the moving direction of the photoconductor body relative to the development nip section, and a removing traveling-wave electrode for generating a traveling-wave electric field is disposed at a position facing the surface of the donor roller at a downstream side of the moving direction of the photoconductor body relative to the development nip section.

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patent: 2005-195953 (2005-07-01), None
patent: 4179803 (2008-09-01), None

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