Canon Pro-1000 series Online Manual page 771

2501
Cause
Cause of following may have occurred failure of color calibration.
• Print head nozzles are clogged.
• Paper is dirty or size of paper loaded is incorrect.
• Paper output slot is exposed to strong light.
What to Do
Press the printer's OK button and take the corresponding actions below.
• Check the print head condition by printing the nozzle check pattern.
If there are missing lines or horizontal white streaks in the pattern, the print head nozzles are clogged.
Clean the print head.
• Load the clean and correct size paper, and then perform the color calibration again.
• Adjust your operating environment and/or the position of the printer so that the paper output slot is not
exposed directly to strong light.
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