25Nozzles are periodically checked to ensure they are clear. Configure the setting for the checking interval on theControl Panel menu in Nozzle Check.•(→ , Menu Map)If printing does not improve after Head Cleaning A, try repeating Head Cleaning B once or twice. If this still doesnot improve printing, the Printhead may have reached the end of its useful life. Contact your Canon dealer forassistance.•Do not remove the Maintenance Cartridge or ink tanks during either Head Cleaning A or Head Cleaning B.•If the Tab Selection screen is not displayed, press the Menu button.•123645If printing is faint, cleaning the Printhead may improve results.Choose one of two types of Printhead cleaning (Head Cleaning A or Head Cleaning B), depending on the problemto resolve.On the Tab Selection screen of the Control Panel, press◄ or ► to select the Settings/Adj. tab ( ).Press the OK button.Press ▲ or ▼ to select Maintenance, and then press theOK button.Print a test pattern to check the nozzles, and determinewhether cleaning has cleared the nozzles.(→"Checking for Nozzle Clogging," User Manual)If Printing is FaintClean the printhead as follows.Head Cleaning A•Use this mode if printing is faint or contains foreign substances. This method of cleaning consumes the leastamount of ink. It takes about three minutes to complete.Head Cleaning B•Use this mode if no ink is ejected at all, or if Head Cleaning A does not solve the problem. It takes about threeand a half minutes to complete.The Set./Adj. Menu is displayed.Press ▲ or ▼ to select Head Cleaning, and then pressthe OK button.Press ▲ or ▼ to select Head Cleaning A or HeadCleaning B, and then press the OK button.Head cleaning is now executed.㪏㪇㩼Remaining AmountMaint. cart.ReadyOK:Setting/Adj. Menu