Note• If the Tab Selection screen is not displayed, press the Menu button.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 areclear.If some sections of the horizontal lines are faint or incomplete, thenozzles for those colors are clogged.If horizontal lines are faint or incomplete, follow the steps belowand check again for nozzle clogging.1. Clean the Printhead. (See "Cleaning the Printhead.") ➔P.6002. 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, the Printhead may havereached the end of its useful life. Contact your Canon dealer for assistance.Cleaning the PrintheadCleaning 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 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 three and a half minutes to complete.Important• Do not remove the Maintenance Cartridge or ink tanks during either Head Cleaning A or Head Cleaning B.Ink may leak or an error may occur.• If printing does not improve even if you execute Head Cleaning B, try repeating Head Cleaning B once or twice. Ifthis still does not improve printing, the Printhead may have reached the end of its useful life. Contact your Canondealer for assistance.Note• By default, nozzles are checked at fixed intervals.Configure the settings on the Control Panel menu in Nozzle Check.(See "Menu Settings.") ➔ P.459Cleaning the Printhead iPF685User's GuideMaintenance and Consumables Printheads600Downloaded from ManualsPrinter.com Manuals
