Editing without a model-specific map is dangerous. Always have a backup.
Cautiously use resources like:
The most common reason for an EEPROM dump is the dreaded "Service Required" error, which occurs when the printer’s Waste Ink Pad Counter reaches its limit. eeprom dump epson
Devices like the CH341A USB Programmer are popular for reading and writing to the 8-pin EEPROM chips found in most Epson models. Editing without a model-specific map is dangerous
Use the software to "Read" the current chip data. Always save this original dump as a backup. eeprom dump epson