1. To check your status, access the Windows Desktop and double-click the  icon for your product in the right side of the Windows taskbar, or click the up arrow and double-click . Then click Details. You see this window:
   
   
2. Replace or reinstall the maintenance box or any ink cartridge as indicated on the screen.
   Note: If any of the cartridges installed in the product is broken, incompatible with the product model, or improperly installed, Epson Status Monitor will not display an accurate cartridge status.
3. To disable the low ink reminder, right-click the product icon in the Windows taskbar and select Monitoring Preferences. You see this window:
   
   
4. Deselect the See Low Ink Reminder alerts checkbox at the bottom of the screen.
5. To disable promotional offers, deselect the Display Epson Offers checkbox.
6. Click OK.

Checking Cartridge and Maintenance Box Status on the LCD Screen

You can check the status of your ink cartridges and maintenance box on your product's LCD screen.

If necessary, press the  cancel button to return to the home screen.

The ink and maintenance box status is displayed as shown:

Note: The displayed levels are approximate.

More info from EPSON HERE