The following causes can be considered.
Solutions
Make sure that a genuine Epson printer driver (EPSON XXXXX) is installed. If a genuine Epson printer driver is not installed, the available functions are limited. We recommend using a genuine Epson printer driver.
If you are printing a large data size image, the computer may run out of memory. Print the image at a lower resolution or a smaller size.
If you are printing a large data size image, the data may not be processed depending on the CPU or memory of the computer. Try the following solutions.
Install more memory in your computer if you can.
Set the printer driver's Quality setting to Fast (300dpi).
Set interfaces that you are not using to disabled.
If you have tried all of the solutions and have not solved the problem, try uninstalling and then reinstalling the printer driver
Solutions
Make sure the printer status is not Pause.
Select System Preferences from the Apple menu > Printers & Scanners (or Print & Scan, Print & Fax), and then double-click the printer. If the printer is paused, click Resume.