check your cartridge status using a utility on your Mac.
In the Apple menu or the Dock, select System Preferences. Select Print & Fax,
Print & Scan, or Printers & Scanners, select your
product, and select Options &
Supplies. Select Utility
and select Open Printer
Select EPSON Status
Monitor. You see a window like this:
Do the following as necessary:
To update the
ink cartridge status, click Update.
reinstall any ink cartridge indicated on the screen.
Depending on the color of the expended cartridge and how you are
printing, you may be able to continue printing temporarily.
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.