xemoterp

The above license file fixed my issue completely. I am now able to use my Epson WF-3730 with an ink cartridge that was originally not accepted by the printer (a brand new 3rd party one that had a chip that was incompatible with the printer). The activation procedure was exactly as described (easy) with this new license file application! Great customer service and a fantastic solution to using 3rd party inks with the Epson WF-3730!

This is the result ...

I am having a similar problem with an Epson WF-3730. Attached is the screenshot from the WIC tool. License tool does reports printer as unsupported.

I am also having issues with a WF-3730 - I followed the instructions in the manual (ie: updating firmware, downloading license application and purchasing activation code). When I try to activate online with the license program I get an unsupported printer message. I have tried multiple versions of the firmware (ie: above and the ones located in the instruction manual for making my printer chipless .... Is there a specific problem with Epson WF 3730's and this method?