, if you are not comfortable with service mode, USB debugging, or if your printer is still under warranty (Epson will fix it for free).
The tool itself is copyrighted by Epson. Owning it is not illegal for end-users, but distributing modified versions is a copyright violation. Using it on your own printer to extend its life (right to repair) is generally accepted, though it voids your warranty.
Verified sources:
, if you are not comfortable with service mode, USB debugging, or if your printer is still under warranty (Epson will fix it for free).
The tool itself is copyrighted by Epson. Owning it is not illegal for end-users, but distributing modified versions is a copyright violation. Using it on your own printer to extend its life (right to repair) is generally accepted, though it voids your warranty.
Verified sources: