1. Perform a printing test for the nozzle mask.

Procedure
  1. Load the media.
  2. Tap AP-640_Panel_Icon_MENU.
  3. Tap Cleaning - Printing Test.
  4. Select Nozzle Mask Test and tap Execute.
    Printing of the test pattern starts.
  5. Check for the nozzle group with dot drop-out or dot displacement by viewing the results of the printing test.
    The results of the printing test are displayed separately for nozzle groups "1," "2," and "3." The following shows dot drop-outs in nozzle groups "1" and "3."


    MEMO

    If the printing-test results are difficult to interpret

    Check the results in a bright location, changing your line of vision. They are visible using the reflection of the light.

  6. If you have opened the front cover, close it.
    If no dot drop-out or dot displacement occurs, this operation is finished. Tap AP-640_Panel_Icon_HOME to go back to the original screen.