If your printer is old, resetting the software solves the error message, but it does solve the physical problem.
If you prefer a software-based approach, you can use specialized tools to reset the Waste Ink Counter (WIC) via a USB connection. Reset Chip on Epson Maintenance Box resetter epson l6270 hot
Using a resetter saves you the time and high cost of sending the printer to an official service center, allowing you to bypass the digital lockout within minutes. Step-by-Step Guide to Use the Epson L6270 Resetter If your printer is old, resetting the software
: Some free "adjustment programs" found online may contain viruses; users often have to temporarily disable antivirus software to run them. Step-by-Step Guide to Use the Epson L6270 Resetter
Hold the pins in place until the light on the resetter turns green.
If the counter is full or near 100%, check the boxes next to the counters again.