1. Perform a printing test for the nozzle mask. ProcedureLoad the media.Setup of MediaPress [FUNCTION].Press [▼] once, and then press [▶] twice to display the screen shown below.Press [ENTER].Printing of the test pattern starts.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 interpretCheck the results in a bright location, changing your line of vision. They are visible using the reflection of the light.