The printer does not have a physical sensor to detect how full the pads are. Instead, it relies on a digital counter built into the mainboard logic.
Technicians strongly recommend that when using an adjustment program, users should either open the bottom/back compartment of the L3256 to replace the physical waste ink pad assembly or install an external waste ink bottle modification to safely catch future excess ink. Additionally, because these utility programs interact with deep firmware settings, using unverified or cracked versions of the software downloaded from untrusted internet sources carries a risk of introducing malware to the host computer or corrupting the printer's EEPROM chip, which can permanently brick the hardware. Share public link epson l3256 adjustment program work
After reboot, the printer believes the waste ink pad is brand new. The error lights disappear. The printer does not have a physical sensor