Deep Print Head Cleaning
If print quality does after a standard print head cleaning, clean the print head deeply. Cleaning the print head deeply consumes more ink than the standard cleaning of the print head, so clean the print head deeply only when necessary.
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Check that printer is turned on.
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Press the Setup 
button on the operation panel, use the 
buttons to select Maintenance, and press the OK button.
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Use buttons to select Deep Cleaning and press the OK button.
The printer will start cleaning the print head deeply.
Do not perform any other operations until the printer completes the deep cleaning of the print head. This takes about 1 minute.
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Print the nozzle check pattern and examine it.
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 your product issue was not resolved after following the steps above, or if you require additional help, please create or log in to your Canon Account to see your technical support options.
Or if you still need help, visit our Canon Community by clicking the button below to get answers:
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