If your ***Epson L120*** displays a ***waste ink pad counter full8557317002*** error, you need to reset the counter using the ***Epson Adjustment Program (Resetter Tool)***. Download the ***Epson L120 Resetter*** tool from a trusted source. Extract and run ***AdjProg.exe***, then select ***Particular Adjustment Mode***. Choose ***Waste Ink Pad Counter***, check the box for ***Main Pad Counter***, and click ***Initialize***. Turn off the printer, wait a few seconds, then turn it back on. This should reset the waste ink counter. Additionally, clean or replace the waste ink pad to prevent ink overflow and potential damage.