: Changing the printer's regional identity to accept cartridges from different geographical markets. Benefits and Risks
Some refurbishers dump and patch EEPROM data to make a used printer look "lightly used" by resetting the page counter to zero. This is ethically dubious but technically common. eeprom dump epson patched
If the software is locked or the printer is "bricked," you may need to write the patched dump directly to the physical EEPROM chip on the mainboard. : Changing the printer's regional identity to accept