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Important The process takes one or two minutes to complete, so simply wait until the POWER
lamp stops flashing.
Note After print head deep cleaning finishes, print the nozzle check pattern to verify that the
print head nozzles are clean.
See Printing the Nozzle Check Pattern
If the head is still not clean after the second deep cleaning, replace the ink tanks.
See Replacing an Ink Tank
If ink tank replacement does not resolve the problem, the print head may be worn out.
Contact a Canon service representative.