In the United States, the Digital Millennium Copyright Act (DMCA) prohibits circumvention of “technical protection measures.” Epson could argue the waste ink counter is such a measure. However, the Librarian of Congress has granted exemptions for “diagnosis, repair, or lawful modification” of devices (2021 exemption). Use for personal repair is likely legal, but distributing resetters may not be.

: Most resetters are third-party apps that may trigger antivirus software. Developers often recommend temporarily disabling antivirus protection during the extraction and execution of these programs.

Epson M1100 Resetter Guide: Fixing the Waste Ink Pad Counter Epson EcoTank M1100

John was thrilled. He disconnected the resetter, turned off his printer, and then turned it back on. To his delight, the error message was gone, and his printer was working like new again.