M702 - Unload filament

control Unload filament NOZZLE_PARK_FEATURE ADVANCED_PAUSE_FEATURE FILAMENT_LOAD_UNLOAD_GCODES

Unload filament. By default this command will use the configured ADVANCED_PAUSE_FEATURE settings.

Uses the minimum temperature for safe extrusion as set by M302.

M702 [T<extruder>] U<distance> [Z<distance>]

[T<extruder>]

Optional extruder number. If omitted, current extruder (or ALL extruders with FILAMENT_UNLOAD_ALL_EXTRUDERS).

U<distance>

Retract distance for removal (manual reload)

[Z<distance>]

Move the Z axis by this distance

Unload filament from current extruder

M702