Canon imagePROGRAF GP-4000 - Manual (Page 813)

Warning Message is Displayed When Performing Color Calibration
In the following cases, perform color calibration again or create a color calibration target.
• A warning message is displayed when performing color calibration. •
• A warning message is displayed when creating a color calibration target. •
• An error was seen in the print result when printing on a calibrated sheet. •
An example of a warning message
Please check the following:
• The print head nozzles are not blocked. •
• The paper is not curled or bent. •
• The paper is loaded correctly. •
• Paper settings are specified correctly. •
• The paper size is compatible with color calibration. •
Performing Color Calibration
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