Epson L405 Resetter Adjustment Program Work -

Used when replacing the main board. This allows you to write the USB ID and Head ID back into the firmware (advanced use).

Include timeouts and verification steps after each command

The program reads the EEPROM again to confirm the values have been set to zero. The printer then reboots, and the “Service Required” error disappears—at least until the pads fill up again (usually after another 10,000–15,000 prints). epson l405 resetter adjustment program work

Repeatedly resetting the counter over many cycles (10+ times) can wear out the EEPROM’s write cycles, causing permanent printer failure. Used when replacing the main board