The L3060 uses a (part number T6711 or T6712 depending on region). After a reset, purchase a new box or empty the existing one:
: A popular third-party tool that supports the L3060. It is free to download for checking counter status, but usually requires purchasing a (typically around $6–$10) to perform the actual reset. Epson Adjustment Program (AdjProg) epson ink pad reset utility l3060