M502 Gcode Download __full__ May 2026

Load the newly stored settings from the EEPROM to confirm.

Some budget printers ship with the EEPROM disabled in the firmware. If this is the case, M502 won't have a place to "revert" from. m502 gcode download

To clear "EEPROM clutter" that might be overriding your desired settings. How to "Download" and Use M502 Load the newly stored settings from the EEPROM to confirm

If you send the M502 command and nothing happens, or you get an "Unknown Command" error, check the following: check the following: