Problems with the printing qualityPrinted colors are inaccurateCause Corrective ActionColor adjustment has not been activated in theAdvanced Settings of the printer driver.In the Advanced Settings of the printer driver,access Color Settings in Color Mode to adjustcolors.Refer to the computer and monitor documentationto adjust the colors.Colors have not been adjusted on the computer ormonitor.Adjust the settings of the color management software,referring to the software documentation as needed.The Printhead nozzles are clogged. Print a test pattern to check the nozzles and see ifthey are clogged.(→P.695)In the printer driver, Application Color MatchingPriority is not selected.Click Special Settings on the Layout sheet of theprinter driver and select Application Color MatchingPriority in the dialog box.There may be a slight difference in how colors areprinted after you replace the Printhead because ofindividual variation among Printheads .Execute color calibration.Printhead characteristics gradually change throughrepeated use, and colors may change.Execute color calibration.Color may change slightly even on the same modelof printer if you use a different version of the rmwareor printer driver, or when you print under differentsettings or in a different printing environment.Follow these steps to prepare the printingenvironment.1.Use the same version of rmware or printer driver.2.Specify the same value for all settings items.3.Execute color calibration.The region selection of the Media Conguration Toolwas changed when you reinstalled the printer driver.If you change the region selection of the MediaConguration Tool , region-specic paper informationoriginally registered on the printer before installationwill be deleted. If the information of paper you usedfor color calibration is deleted, such color calibrationcan no longer be applied to any type of paper.Perform color calibration again using paper supportedin the newly selected region and compatible withcolor calibration.Troubleshooting 747
