: Restores the printer's internal memory (EEPROM) to its factory default settings. Read/Write Serial Number

You can buy a refurbished mainboard for the L3251 on eBay or AliExpress. These boards come with the counters already reset. However, this requires disassembling the printer and is far more expensive and complex than software resetting.

Officially, Epson does not distribute this software to end-users. It is intended for authorized service centers to perform maintenance and repairs. Consequently, obtaining the genuine "AdjProg" (Adjustment Program) for the L3251 can be challenging. Many online versions are third-party patches or cracked versions.

: Some versions allow for reading or writing specific firmware versions to fix recovery mode issues. Critical Usage Warnings Hardware Maintenance