The print head cleaning and deep cleaning functions allow you to clear up clogged print head nozzle.
Perform print head cleaning if printing is faint or a specific color fails to print, even though there is enough ink.
If you perform deep cleaning and the condition still does not improve, perform system cleaning.
The procedure for cleaning is as follows:
Cleaning
Select Cleaning from the pop-up menu on the Canon IJ Printer Utility
Click the Cleaning icon
When the dialog opens, select the ink group for which cleaning is to be performed.
Click 
to display the items you need to check before performing cleaning.
Execute cleaning
Make sure that the printer is on and then click OK.
Print head cleaning starts.
Complete cleaning
The Nozzle Check dialog opens after the confirmation message.
Check the results
To check whether the print quality has improved, click Print Check Pattern. To cancel the check process, click Cancel.
If cleaning the head once does not resolve the print head problem, clean it once more.
Important
Cleaning consumes a small amount of ink.
Cleaning the print head frequently will rapidly deplete your printer's ink supply.
Consequently, perform cleaning only when necessary.
Deep Cleaning
Deep Cleaning is more thorough than cleaning. Perform deep cleaning when two Cleaning attempts do not resolve the print head problem.
Select Cleaning from the pop-up menu on the Canon IJ Printer Utility
Click the Deep Cleaning icon
When the dialog opens, select the ink group for which deep cleaning is to be performed.
Click to display the items you need to check before performing deep cleaning.
Execute deep cleaning
Make sure that the printer is on and then click OK.
Click OK when the confirmation message appears.
Print head deep cleaning starts.
Complete deep cleaning
The Nozzle Check dialog opens after the confirmation message.
Check the results
To check whether the print quality has improved, click Print Check Pattern. To cancel the check process, click Cancel.
Important
Deep Cleaning consumes a larger amount of ink than Cleaning.
Cleaning the print head frequently will rapidly deplete your printer's ink supply.
Consequently, perform cleaning only when necessary.
System Cleaning
Execute System Cleaning if the status does not improve even after Deep Cleaning is performed.
Select Cleaning from the pop-up menu on the Canon IJ Printer Utility
Click the System Cleaning icon
When the dialog opens, select the ink group for which system cleaning is to be performed.
Click to display the items you need to check before performing system cleaning.
Execute system cleaning
Make sure that the printer is on and then click OK.
Click OK when the confirmation message appears.
System cleaning starts.
Complete system cleaning
The Nozzle Check dialog opens after the confirmation message.
Check the results
To check whether the print quality has improved, click Print Check Pattern. To cancel the check process, click Cancel.
Important
System Cleaning consumes an extremely large amount of ink.
Executing system cleaning frequently will rapidly deplete your printer's ink supply.
Therefore, execute system cleaning only when necessary.
Note
If there is no sign of improvement after System Cleaning, switch off the printer, wait 24 hours, and then perform Deep Cleaning again. If there is still no sign of improvement, the ink may have run out or the print head may be worn. For details on the remedial action to be taken, see "Ink Is Not Ejected."
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