If you want to troubleshoot your printer safely, let me know:
Epson offers an official for one-time use in certain regions (like North America), provided you register your printer and meet their terms. Alternatively, third-party software like WIC Reset Utility is widely used; while the software download is free, resetting the counter usually requires purchasing a low-cost "reset key." Step-by-Step: How to Use the Adjustment Program Epson Adjustment Program Et-2550 Free Download