No. It is a violation of Epson’s terms of service (voiding warranty), but not illegal for personal use.
. This software is essential when your printer displays errors such as "Service Required" or "A printer's ink pad is at the end of its service life," which effectively locks the printer to prevent ink leakage. Key Functions Waste Ink Pad Counter Reset epson adjustment program l4260
The Epson Adjustment Program is a software tool used to adjust, reset, and maintain Epson printers. It is used to perform various maintenance tasks, such as resetting ink counters, adjusting print head alignment, and cleaning the print head. such as resetting ink counters