Epson STYLUS PRO 9000 User Manual page 73

To access the Utility dialog box, see "Accessing the printer utilities
for Macintosh" on page 51.
Note:
Installed ink cartridge information is not available.
StatusMonitor informs you of the amount of ink remaining as of
the time the StatusMonitor was opened. To update ink-level
information, click the Update button.
73
Printer Status and Print Job Management