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Lets try this first
Setup >System Administration > Restore Default Settings > Wi-Fi/Network Settings > Yes.
Then, connect the printer to your mac using the USB cable. Then, run the printer setup file again.. It should ask you how you want to set the printer up. Choose wireless connection.. As long as we connect it via a usb cord, the mac and the setup file can send the wireless connection settings to the printer.
If you get stuck or run into any issues, let me know.
I strive to provide great service, and greatly appreciate a 5 star rating clicked and submitted when you are satisfied.. I always answer follow up questions.Dustin S.Senior Technician and Network Switching Systems Operator / Maintainer.
Do you have the CD that came with the printer? If so, insert it and run it again.
If not, then go here https://www.epson.com/cgi-bin/Store/support/supDetail.jsp?oid=233679&infoType=Downloads&platform=OSF_M_X9
Select the correct version of your Mac osx you have on your mac. Then,d ownload the full drivers and utilities combo package.. And then open and install that package. It will walk you through installing the printer and during that process it will asks if you want to install it as a wireless printer.
Dustin S.Senior Technician and Network Switching Systems Operator / Maintainer.
Hello again.. I never heard back from you.. Were you able to get your printer installed and working via the instructions I sent? Did you still need help?