Printing with EPSON Drivers for Macintosh
The Status Monitor utility lets you check the levels of ink in your printer and configure error messages and other features of printer operation.
Follow these steps to check ink levels:
1.Click the utility button 
on the print or page setup dialog box. You see the utility menu:
Click to open the Status Monitor utility.
2.Click the EPSON StatusMonitor icon. The software checks the amount of ink remaining in the printer and displays the Status Monitor window:
Click to recheck ink levels.
3.To recheck the ink level check, click the Update button. To close the Status Monitor, click OK.