Here is manual:
https://files.support.epson.com/docid/cpd5/cpd51272.pdf
Follow pages 211 thru 214.
Let us know how you make out
Here is a video that will be similar to your model printer:
Believe this procedure will work for u:
1) Turn power button on
2) use arrow down key to go to "set up" click ok
3) Go to "maintenance " click ok
4) Go to "Replace cartridge " click ok
5) click on "start " gray button
open cover ink cartridge is aligned for replacing of ink
See this video as well:
Regards