Electrophotography – Control of electrophotography process
Reexamination Certificate
2007-08-31
2010-02-16
Gray, David M (Department: 2852)
Electrophotography
Control of electrophotography process
C399S039000, C399S046000, C399S049000, C399S053000
Reexamination Certificate
active
07664411
ABSTRACT:
A technique of shortening the adjustment time of image forming conditions in accordance with the use status of each apparatus without degrading the image quality is disclosed. In a color image forming apparatus which has an adjustment unit that adjusts image forming parameters for setting image forming conditions, and which forms an image on a printing medium using the adjusted image forming parameters, the use log of the color image forming apparatus is collected, and at least one image forming parameter is selected in correspondence with the collected use log as an image forming parameter to be adjusted by the adjustment unit in next adjustment, by referring to a storage unit which stores, in correspondence with the use log, at least one image forming parameter to be adjusted by the adjustment unit.
REFERENCES:
patent: 2005/0281573 (2005-12-01), Kitagawa et al.
patent: 2006/0263112 (2006-11-01), Umetani et al.
patent: 2003-091224 (2003-03-01), None
patent: 2003091224 (2003-03-01), None
patent: 2004-101545 (2004-04-01), None
Chinese Office Action dated Apr. 24, 2009 issued in corresponding CN Application No. 200710153102.7.
Canon Kabushiki Kaisha
Gray David M
Hyder G. M.
Rossi Kimms & McDowell LLP
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