Electrophotographic image forming apparatus equipped with...

Details Electrophotographic image forming apparatus equipped with... Electrophotographic image forming apparatus equipped with...

2006-07-04

2006-07-04

Chen, Sophia S. (Department: 2852)

Electrophotography

Image formation

Development

C222SDIG001

Reexamination Certificate

active

07072606

ABSTRACT:
An electrophotographic image forming apparatus includes a toner image forming section, a recording material storing section, a sheet feeding and conveying section provided sideward of the recording material storing section, a toner reservoir section provided on a side opposite to the sheet feeding and conveying section, a toner separation section provided upward of the developing device to separate the toner, a supply pipe for interconnecting the toner reservoir section and the toner separation section to supply the toner, a collection pipe for interconnecting the toner reservoir section and the toner separation section to collect the toner, a first fluid conveyance device provided on the supply pipe between the toner reservoir section and the toner separation section for conveying a supply fluid, and a second fluid conveyance device provided on the collection pipe between the toner reservoir section and the toner separation section for conveying a collection fluid.

REFERENCES:
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patent: 2003/0142999 (2003-07-01), Fujii et al.
patent: 2004/0067076 (2004-04-01), Shinkai et al.
patent: 2004/0105704 (2004-06-01), Yamauchi et al.
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patent: 2002-040777 (2002-02-01), None
patent: 2003195617 (2003-07-01), None
European Search Report for EP04252313.4, mailed Oct. 19, 2004, 4 pgs.

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