Canon imagePROGRAF GP-4000 - Manual (Page 758)

Printed colors are inaccurate
Check 1 Is the Print head nozzle blocked?
Print a test pattern to check the nozzles and see if they are clogged.
Checking for Nozzle Clogging
Check 2 Has color been adjusted in the printer driver?
Follow the steps below to adjust color settings.
• Windows •
Adjust the color settings with Color Mode > Color Settings in Advanced Settings in the printer driver.
Main Tab Description (Windows)
• macOS •
Adjust the color settings in the printer driver Color Options .
Color Options (macOS)
Check 3 Is Application Color Matching Priority set to Off in a Windows printer driver?
In the printer driver Layout sheet, click Special Settings , and then set Application Color Matching Priority to
On in the dialog box that appears.
Layout Tab Description (Windows)
Check 4 Has the computer or monitor color been adjusted?
Take the actions below.
• Refer to the computer and monitor documentation to adjust the colors. •
758