Electrophotography – Image formation – Development
Reexamination Certificate
2009-09-10
2011-12-27
Lee, Susan (Department: 2884)
Electrophotography
Image formation
Development
C399S081000
Reexamination Certificate
active
08086145
ABSTRACT:
A developing device includes: a housing that stores a developing agent including toner and a carrier and that is replenished with the toner and the carrier; an agitation conveyance member that rotates the developing agent to thus agitate and convey the developing agent; a developing agent supply member that supplies to a developing area the conveyed developing agent; a first outlet that discharges a superfluous developing agent, which is in excess of first set storage capacity, of the stored developing agent and that is connected to a recovery device for transferring and collecting the superfluous developing agent; a second outlet that discharges an excessive developing agent, which is in excess of second set storage capacity that is larger in amount than the first set storage capacity, of the stored developing agent; a container that stores the excessive developing agent; and a detection unit that detects the stored excessive developing agent.
REFERENCES:
patent: 2007/0059044 (2007-03-01), Preston et al.
patent: 2008/0298866 (2008-12-01), Matsumoto et al.
patent: 09-274385 (1997-10-01), None
patent: 2007-102098 (2007-04-01), None
patent: 2007-156355 (2007-06-01), None
Fuji 'Xerox Co., Ltd.
Lee Susan
Morgan & Lewis & Bockius, LLP
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