3. Press the OK button.The Set./Adj. Menu is displayed.4. Press ▲ or ▼ to select Test Print, and then press the OK button.5. Press ▲ or ▼ to select Nozzle Check, and then press the OK button.The printer now prints a test pattern for checking the nozzles.6. Check the printing results.If the horizontal lines are not faint or incomplete, the nozzles are clear.If some sections of the horizontal lines are faint or incomplete, the nozzles for those colors are clogged.If horizontal lines are faint or incomplete, follow the steps below and check again for nozzle clogging.1. Clean the Printhead. (See "Cleaning the Printhead.") →P.7422. Print a test pattern to check the nozzles.Note• If you repeat these steps several times but the horizontal lines are still faint or incomplete, contactyour Canon dealer.Cleaning the PrintheadIf printing is faint, cleaning the Printhead may improve results.Choose one of two Printhead cleaning modes ( Head Cleaning A or Head Cleaning B ), depending on the problem toresolve.• Head Cleaning AUse this mode if printing is faint or contains foreign substances. This method of cleaning consumes the leastamount of ink.It takes about three and a half minutes to complete.• Head Cleaning BUse this mode if no ink is ejected at all, or if Head Cleaning A does not solve the problem.It takes about four minutes to complete.Caution• Do not remove the Maintenance Cartridge or ink tanks during either Head Cleaning A or Head Clean-ing B.Maintenance > Printheads >Cleaning the Printhead iPF75511742