1. Press the [Maintenance] key.
  2. Press [Nozzle Cleaning].
  3. Press [Nozzle Cleaning: Low] or [Nozzle Cleaning: High].
  4. Select which print heads to clean from [Head 1], [Head 2], or [Head 3], and then press [Execute].

    You can select multiple print heads simultaneously. To perform all print heads, press [Clean All Print Heads].

  5. After the message is displayed, press [Execute].
    Head cleaning will be performed.
  6. Press [Confirm].
  7. Press [Close].
  8. Perform test printing again to check the printing result.
    Perform cleaning and test printing repeatedly until the printing result is normal.