Canon TR8660 Online Manual page 128

The nozzle check pattern will be printed.
8. When the completion message appears, select OK.
9. Examine the nozzle check
If a particular color is not printed properly,
If the problem is not resolved, turn off the power and clean the print head deeply again after 24 hours. Do
not unplug the power cord when turning off the power.
If the problem is still not resolved, the print head may be damaged. Contact your nearest Canon service
center to request a repair.
pattern.
replace the ink tank
128
of that color.