Electrophotography – Diagnostics – Unit or part identification
Reexamination Certificate
2005-11-18
2008-12-02
Gray, David M (Department: 2852)
Electrophotography
Diagnostics
Unit or part identification
C399S013000, C399S024000, C399S025000
Reexamination Certificate
active
07460795
ABSTRACT:
An image forming apparatus for carrying out an image forming process with a detachably mountable image forming unit mounted thereon, when the mounting of the image forming unit has been detected, whether the mounted image forming unit is a new one is discriminated. Then, unit control information held by an information holding portion for holding unit control information corresponding to the image forming unit is updated on the basis of the results of discrimination at the last time and this time. By such a construction, image formation becomes executable on the mounted image forming unit always in an optimized state.
REFERENCES:
patent: 2002/0164169 (2002-11-01), Arai et al.
patent: 2004/0105689 (2004-06-01), Shimura et al.
patent: H01-181039 (1989-12-01), None
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patent: 6-118736 (1994-04-01), None
patent: 9-73254 (1997-03-01), None
patent: 9-185236 (1997-07-01), None
Kimura Kuniyasu
Motoyama Eiichi
Tomiyasu Hiroaki
Yamamoto Yuichi
Yamaoka Takahiko
Canon Kabushiki Kaisha
Gray David M
Rossi Kimms & McDowell LLP
Walsh Ryan D
LandOfFree
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