Aligning The Print Head - Epson STYLUS PRO 4400 Reference Manual

6. Press the Menu
check pattern.
After a nozzle check pattern is printed, the printer exits the
SelecType mode and returns to the READY status.
Nozzle check pattern examples:
good
head cleaning necessary
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 "Cleaning the print head" on page
76. For Mac OS 9.x, see "Cleaning the print head" on page 159.
For Mac OS X, see "Cleaning the print head" on page 211.

Aligning the print head

To prevent deterioration of print quality caused by misalignment
of print head, align the print head before you start printing your
data. You can align the print head either manually or
automatically. Try the automatic print head alignment first. If the
print head is still misaligned, try to perform the print head
alignment manually.
240 The Control Panel
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button again to start printing a nozzle