machines/systems/flexibot/docs/marlin/_gcode/M217.md

tag	title	brief	author	since	requires	group	codes	notes	parameters	examples
m0217	Filament swap parameters	Set length and speed for filament swapping	thinkyhead	2.0.0	EXTRUDERS > 1	calibration	M217	These values are stored in EEPROM.	tag type optional description Q flag true Prime active tool using TOOLCHANGE_FILAMENT_SWAP settings tag optional description values S true Swap length tag type linear float tag optional description values B true Extra resume tag type linear float tag optional description values E true Extra Prime Length tag type linear float tag optional description values P true Prime feedrate tag type feedrate int tag optional description values R true Retract feedrate tag type feedrate int tag optional description values U true Unretract feedrate tag type linear int tag optional description values F true Fan speed (0-255) tag type linear int tag optional description values G true Fan Time (seconds) tag type linear int tag optional description values A true Migration Auto Mode. Requires `TOOLCHANGE_MIGRATION_FEATURE`. tag type linear int tag optional description values L true Last Migration. Requires `TOOLCHANGE_MIGRATION_FEATURE`. tag type linear int tag optional description values W true Enable Park Feature. Requires `TOOLCHANGE_PARK` - was `SINGLENOZZLE_SWAP_PARK`. tag type linear int tag optional description values X true Park X position. Requires `TOOLCHANGE_PARK` - was `SINGLENOZZLE_SWAP_PARK`. tag type linear float tag optional description values Y true Park Y position. Requires `TOOLCHANGE_PARK` - was `SINGLENOZZLE_SWAP_PARK`. tag type linear float tag optional description values V true Enable First Prime on uninitialized Nozzles. Requires `TOOLCHANGE_FS_PRIME_FIRST_USED`. tag type linear int tag optional description values Z true Z Raise. tag type feedrate int

When changing tools on some setups, one filament may be retracted before the other is primed. This command sets the length and feedrates used for the filament swap retract and prime.

If no parameters are given this command reports the current filament swap parameters.