flexi-bot/docs/marlin/_gcode/M600.md

tag	title	brief	author	contrib	since	requires	group	codes	notes	parameters	examples
m0600	Filament Change	Automatically change filament	clexpert, petrzjunior	thinkyhead	1.1.0	ADVANCED_PAUSE_FEATURE	filament	M600	Requires `ADVANCED_PAUSE_FEATURE`. The settings for this command can be found in `Configuration_adv.h`. At this time [`M600`](/docs/gcode/M600.html) requires an LCD controller.	tag optional description values T true Target extruder tag type index int tag optional description values E true Retract before moving to change position (negative, default `PAUSE_PARK_RETRACT_LENGTH`) tag type pos float tag optional description values U true Amount of retraction for unload (negative) tag type pos float tag optional description values L true Load length, longer for bowden (negative) tag type pos float tag optional description values X true X position for filament change tag type pos float tag optional description values Y true Y position for filament change tag type pos float tag optional description values Z true Z relative lift for filament change position tag type pos float tag optional description values B true Number of beeps to alert user of filament change (default `FILAMENT_CHANGE_ALERT_BEEPS`) tag type beeps int tag optional description values R true Resume temperature. (AUTOTEMP: the min auto-temperature.) tag type temp int	pre code With no parameters [`M600`](/docs/gcode/M600.html) uses the settings in `Configuration.h`. M600 ; execute filament change pre code To set the change position: M600 X10 Y15 Z5 ; Do filament change at X:10, Y:15 and Z:+5 from current

The M600 command initiates the filament change procedure. The basic procedure will move the print head away from the print, eject the filament, wait for new filament to be inserted and the user to confirm, load and prime the filament, and continue with the print. M600 may be initiated automatically if a filament runout sensor is installed.