There is no software limit, but Epson’s EEPROM has a write cycle limit (approx. 100,000 writes). You will never hit it.
The (also known as a "Resetter") is a specialized service utility used to bypass "Service Required" errors when the printer's waste ink pad counter is full. While highly effective for extending printer life, finding a verified and safe version is critical due to widespread malware in unofficial "free" versions found online. Core Functionality epson+l6490+adjustment+program+verified
Using the Epson L6490 adjustment program verified offers several benefits, including: There is no software limit, but Epson’s EEPROM