If the error returns in days, you must physically clean or replace the waste pads (or install an external waste tank).
When the waste ink pad counter reaches 100%, the printer displays a . The official solution from Epson is to take the printer to an authorized service center, where technicians replace the waste ink pad and reset the counter manually. This can cost between $50 and $150 depending on your region. Epson Pm-520 Resetter Free Download
The resetter is a specialized software utility that communicates with your printer to: If the error returns in days, you must
: Clears the internal memory counter that triggers an error when the printer assumes the waste ink pads are full. If the error returns in days