Caution• Do not remove the Maintenance Cartridge or ink tanks during either Head Cleaning A or Head Cleaning B.Note• If printing does not improve after Head Cleaning B, try repeating Head Cleaning B once or twice. If thisstill does not improve printing, the Printhead may have reached the end of its useful life. Contact your Canondealer for assistance.• Nozzles are periodically checked to ensure they are clear. Configure the settings on the Control Panel menuin Nozzle Check. (See "Menu Settings.") →P.674Perform cleaning as follows.1. On the Tab Selection screen of the Control Panel, press ◀ or ▶ to select the Settings/Adj. tab ( ).Note• If the Tab Selection screen is not displayed, press the Menu button.2. Press the OK button.The Set./Adj. Menu is displayed.3. Press ▲ or ▼ to select Maintenance, and then press the OK button.4. Press ▲ or ▼ to select Head Cleaning, and then press the OK button.5. Press ▲ or ▼ to select Head Cleaning A or Head Cleaning B, and then press the OK button.Head cleaning is now executed.6. Print a test pattern to check the nozzles, and determine whether cleaning has cleared the nozzles. (See "Checkingfor Nozzle Clogging.") →P.740Replacing the PrintheadWhen to replace the PrintheadReplace the Printhead in the following situations.• If the printing quality does not improve even after one or two cycles of Head Cleaning B from the printermenuMaintenance and Consumables > Printheads >Replacing the Printhead iPF65010742
