The tool is safe if you follow instructions. However, downloading random “resetter.exe” files from unknown forums is a leading cause of malware infections. Always scan files with VirusTotal before running them.
The (also known as an adjustment program) is primarily used to address the "Service Required" error, which occurs when the printer's waste ink pads reach their end-of-life limit. While designed for authorized service centers, it has become a popular DIY "fix" for home users to bypass digital lockouts. The Story of the Resetter epson resetter tool l5190