Operation Manual

The Control Panel 174
Nozzle check pattern examples:
If you find that any dots are missing from the test lines in the
pattern, you need to clean the print heads. Press the Menu
button for more than 3 seconds or access the Head Cleaning utility
software. For Windows, see “Using the Printer Utilities” on page
31. For Mac OS X, see “Using Printer Utilities” on page 53.
good
head cleaning necessary