Canon imagePROGRAF iPF9400 User Guide - Page 840

Replacing the Printhead Perform cleaning as follows. 1 On the Tab Selection screen of the Control Panel, press ◀ or ▶ to se- lect the Settings/Adj. tab ( ). iPF9400 Maintenance and Consumables Printheads • If the Tab Selection screen is not displayed, press the Menu button. Note 2 Press the OK button. The Set./Adj. Menu is displayed. 3 Press ▲ or ▼ to select Maintenance, and then press the OK button. 4 Press ▲ or ▼ to select Head Cleaning, and then press the OK button. 5 Press ▲ or ▼ to select Head Cleaning A or Head Cleaning B, and then press the OK button. Head cleaning is now executed. 6 Print a test pattern to check the nozzles, and determine whether cleaning has cleared the nozzles. (See "Checking for Nozzle Clogging.") →P.838 Replacing the Printhead When to replace the Printhead This 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 the printer menu Replace 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 replacement Replace the Printhead as directed. Compatible printheads For information on compatible printheads, see "Printhead." →P.838 Precautions when handling the Printhead 840 Take the following precautions when handling the Printhead. User's Guide