After a firmware update that disables third-party cartridges or reset tools, rolling back requires writing an older firmware version directly to the EEPROM.
Epson frequently updates its firmware to combat the use of third-party ink cartridges and continuous ink supply systems (CISS). Once updated, standard downgrade procedures via USB are often blocked. Flashing an older EEPROM dump alongside the corresponding flash memory allows users to revert to a firmware version that accepts cheaper, generic cartridges. Hardware Tools Required for the Job eeprom dump epson
git clone https://app4.secure.forcepoint.com/Ircama/epson_print_conf cd epson_print_conf pip install -r requirements.txt After a firmware update that disables third-party cartridges
This is the actual firmware or data file you intend to write to the EEPROM. These are often found through: Flashing an older EEPROM dump alongside the corresponding
Once you have the .bin file, it can be used for several purposes:
The procedure is well-documented in Epson service manuals:
An EEPROM (Electrically Erasable Programmable Read-Only Memory) is a small chip on the printer's main logic board (motherboard). It stores permanent and semi-permanent configuration data vital for the printer's operation.
