Replacing 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 printermenu• If the Display Screen indicates "Open top cover and replace the printhead."• If your Canon dealer has advised you to replace the PrintheadCompatible printheadsFor information on compatible printheads, see "Printhead." →P.817Precautions when handling the PrintheadTake the following precautions when handling the Printhead.Caution• For safety, keep the Printhead out of the reach of children.• If ink is accidentally ingested, contact a physician immediately.• Do not touch the Printhead immediately after printing. The Printhead becomes extremely hot, and there is arisk of burns.Important• There may be ink around the nozzles of the Printhead you remove. Handle the Printhead carefully duringreplacement. The ink may stain clothing.• Do not open the Printhead pouch until immediately before installation. After removing the Printhead fromthe pouch, install it right away. If the Printhead is left after the pouch is opened, the nozzles may dry out,which may affect printing quality.• If you need to put a Printhead somewhere temporarily before installation, do not keep the nozzles and metalcontacts →P.824 facing down. If the nozzles or metal contacts are damaged, it may affect the printingquality.Replacing the PrintheadCaution• When replacing the Printhead immediately after printing, wait a few minutes before replacing it. The metalparts of the Printhead become hot during printing, and there is a risk of burns from touching these parts.Note• Prepare a new Ink Tank when ink levels are low.• Your hands may become dirty during Printhead replacement. Use the gloves provided with the new Printheadfor replacement.• Choose On in Auto Print to have the printer automatically adjust the Printhead alignment after replacementof the Printhead. (See "Main Menu Settings.") →P.7221. If the roll is not ejected because of the cutting method selected, cut it manually and remove it. (See "Cutting RollPaper After Printing.") →P.196Maintenance > Printheads >Replacing the Printhead iPF81511820
