Epson WF-3720 - Wrong ID Readed from the printer.

[Epson WF-3720 - Wrong ID Readed from the printer.]

That worked!! Thanks John

[WF3720 - Wrong ID Readed from the printer]

No go on the USA model.

[Epson WF-3720 - Wrong ID Readed from the printer.]

used CL2112 from link you provided but shows CL27J9 on printer

[WF3720 - Wrong ID Readed from the printer]

The link you provided for CL2112 is a download for CL27J9. It may be named CL2112 but its not! 

[Epson WF-3720 - Wrong ID Readed from the printer.]

Firmware update successful. Purchased Key. Try to License get: Wrong ID Readed from the printer. See photos. 

Tried firmware flush based on your recommended link here but still a no go.