1. Perform a printing test for the nozzle mask.

Procedure
  1. Set up the object to be printed on.
    MEMO

    The printing test requires an object with a W (width) of 170 mm (6.7 in.) or more and an L (length) of 90 mm (3.55 in.) or more. Set the bottom right of the object to the base point, and then carry out a printing test.

    Loading the Object, and Setting the Print Surface Height and Print Start Point
  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" and "2." The following shows a dot drop-out in nozzle group 1.


    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 return to the home screen.