In most jurisdictions (USA, EU, Canada), modifying firmware for personal use is not illegal. However, circumventing chip authentication could violate the in the US if done for commercial gain. For home users, enforcement is virtually nonexistent.

: Performing an official Epson firmware update after going chipless will overwrite the modification, requiring you to reinstall and reactivate it (often using a saved recovery key). Installation Difficulty

If the risk of chipless firmware scares you, consider a compromise: .

Once the chip reports "empty," the printer refuses to print—even if you can see ink sloshing around inside the cartridge.