First, check to make sure the yellow tape is removed from the cartridge. If the yellow tape has been removed and no error message appears, you can perform a cleaning program. You can find this program under “Printer content” (name may vary by printer).
You can also click on the link, Manual for Epson Stylus printers. You are then redirected to the site with Epson printers. Here you can select your printer from the list and then download the manual. The manual includes information on how to clean the print heads, how to align the print heads and how you can check the ink levels.