Canon Pixma MP495 Series On-Screen Manual page 78

Tips on How to Use Your Machine Page 78 of 759 pages
If the print head nozzles are clogged, colors may become uneven or the print results may be blurred.
In this case
Print the nozzle check pattern
Check the printed check pattern to see if the nozzles are clogged.
See .
When Printing Becomes Faint or Colors Are Incorrect
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