Image forming apparatus, developing apparatus, and...

Details Image forming apparatus, developing apparatus, and... Image forming apparatus, developing apparatus, and...

2007-08-28

2007-08-28

Gray, David M. (Department: 2852)

Electrophotography

Image formation

Development

C399S149000

Reexamination Certificate

active

11305499

ABSTRACT:
An image forming apparatus for forming an image by developing a latent image formed on an image carrier, using a developer including a toner and a carrier. The image forming apparatus comprises: a developer conveying member that conveys the developer; a first collecting unit that collects, by generating a first electric field, the toner from the developer at a first position that is set halfway through a route of conveyance of the developer by the developer conveying member; and a second collecting unit that collects, by generating a second electric field, residual toner from the developer at a second position that is downstream of the first position in the route of conveyance of the developer.

REFERENCES:
patent: 3144673 (1991-06-01), None
patent: 09218581 (1997-08-01), None
patent: 10026885 (1998-01-01), None

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