iPF8400S Basic Guide37Consumables and Maintenance PrintheadsPrintheadsPrinthead ........................................................................................................................................................ 37Replacing the Printhead ................................................................................................................................. 37PrintheadWhen purchasing, check the Model number.Shape Model numberPF-05Note• For instructions on replacing the Printhead, see "Replacing the Printhead."➔P.37Replacing the PrintheadWhen to replace the PrintheadThis printer is equipped with two printheads.Replace one or both printheads in the following situations.• If the printing quality does not improve even after one or two cycles of Head Cleaning B from theprinter menuReplace any printheads with poor printing performance.• If the Display Screen indicates Open top cover and replace the left printhead.Replace the Printhead on the left side.• If the Display Screen indicates Open top cover and replace the right printhead.Replace the Printhead on the right side.• If the Display Screen indicates Open top cover and replace the printhead.Replace both printheads.• If your Canon dealer has advised Printhead replacementReplace the Printhead as directed.Compatible printheadsFor information on compatible printheads, see "Printhead."➔P.37Precautions when handling the PrintheadTake the following precautions when handling the Printhead.