Description

Reset all configurable settings to their factory defaults.

To also reset settings in EEPROM, follow with M500.

Notes:

• Requires EEPROM_SETTINGS.

• Since Marlin 1.1.0 only changed bytes are written to prolong EEPROM life.

  Usage

  M500

Examples

Reset settings and save them to EEPROM

M502 ; reset!
M500 ; saved!!