Electrophotography – Diagnostics – Consumable
Reexamination Certificate
2007-10-26
2010-02-09
Porta, David P (Department: 2884)
Electrophotography
Diagnostics
Consumable
C399S083000, C399S227000
Reexamination Certificate
active
07660540
ABSTRACT:
An image forming apparatus includes a development portion holder mounted with a plurality of development portions having a memory storing plural types of information on the corresponding development portion and that selectively portions one of the development portions in a predetermined development positions by holding and moving the mounted development portions; a controller that controls the development portion holder to switch the development portions to be positioned at the predetermined development position and that performs an image forming process using the development portions positioned at the development position; and an access unit that accesses the memory of the development portion positioned at an access position, which is a position at which one of the other development portions mounted in the development portion holder is placed so as write the information therein, when one of the development portions mounted in the development portion holder is positioned at the development position.
REFERENCES:
patent: 2002/0021906 (2002-02-01), Yoshizaki et al.
patent: 2004/0196488 (2004-10-01), Tanaka et al.
patent: 2006/0034626 (2006-02-01), Tanaka
patent: WO 03/098356 (2003-11-01), None
Ito Yoichi
Tanaka Hiroshi
Hogan & Hartson LLP
Porta David P
Schmitt Benjamin
Seiko Epson Corporation
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