The Adjustment Program (often called a "reset key" or "service utility") is a proprietary diagnostic tool used by Epson authorized service centers. It is not meant for public distribution. However, over the years, these programs have been leaked and shared across printer enthusiast forums.

The is a proprietary service utility used by technicians to communicate directly with the printer's firmware via a USB connection, allowing you to reset this digital waste ink counter back to 0%. Features of the Epson PX660 Adjustment Program

Before downloading any software, it is vital to understand why your printer stopped working.

One successful reset will turn your "dead" Epson PX660 back into a workhorse photo printer. Bookmark this guide, share it responsibly, and keep printing.

: Run the tool on a Windows PC (Windows 7, 8, 10, or 11).