Epson Stylus Pro 7800 User Manual page 191

EPSON StatusMonitor
This utility provides you with printer status information, such as
the amount of remaining ink.
Nozzle Check
This utility checks the print head nozzles for clogging. Check the
nozzles when you notice the print quality has declined and after
cleaning to confirm that the print head nozzles have been cleared.
See "Checking the print head nozzles" on page 192.
If you click Auto in the Nozzle Check dialog, or turn on AUTO
CLEANING from the control panel on the printer, this utility not
only checks the clogging nozzles, but also performs head cleaning
automatically.
Head Cleaning
This utility cleans the print head. You may need to clean the print
head if you notice the print quality has declined. Use this utility
to perform head cleaning. See "Cleaning the print head" on page
194.
Printing with Mac OS X
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