Try changing the Windows default to anything else in the list. Open Photoshop try and print then close Photoshop (whether it works or not) - then change it back to your Epson re-open Photoshop and retry.
If that does not change anything then reset preferences. Go to Preferences -General - Reset Preferences on Quit and after clicking OK restart Photoshop
Dave
I don't know how it happened, but I opened photoshop again and found that the print button was 'highlighted' and thus I was able to print! Thanks again for your time and "Smarts"!