Electrophotography – Image formation – Development
Reexamination Certificate
2008-08-11
2010-10-26
Gray, David M (Department: 2852)
Electrophotography
Image formation
Development
C399S258000
Reexamination Certificate
active
07822366
ABSTRACT:
An image forming apparatus to enhance a user's convenience by adequately designing developer storage capacities of developing devices in consideration of an amount of consumed developer includes an image carrier, and plural developing devices arranged along a rotational direction of the image carrier to supply a developer to the image carrier. The plural developing devices include a first developing device having a largest developer storage capacity, and a second developing device disposed in a most downstream side with respect to the rotational direction of the image carrier. The second developing device has a second largest developer storage capacity.
REFERENCES:
patent: 2001/0021322 (2001-09-01), Tsuruya et al.
patent: 2004/0184838 (2004-09-01), Ikeda et al.
patent: 2005/0281591 (2005-12-01), Kitozaki et al.
patent: 2006/0093409 (2006-05-01), Kyung
patent: 2006/0275680 (2006-12-01), Miyakawa
patent: 01131583 (1989-05-01), None
patent: 2005-189901 (2005-07-01), None
patent: 2007121555 (2007-05-01), None
European Search Report issued Apr. 15, 2009 in EP Application No. 09150143.7.
Russian Decision on Grant issued Mar. 10, 2010 in RU Application No. 2008135872/09.
Jeon In Cheol
Jun Jong Pil
Gray David M
Samsung Electronics Co,. Ltd
Stanzione & Kim LLP
Yi Roy
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