MMU v1 #
Uses the following gcode so the filament will be removed.
G1 E-1 F7200
G91
G1 Z5 F1200
G90
M220 S100 ; Set override speed to 100%
G1 X0 Y200 F2400
G1 E5 F150
G1 E-15 F5600 ; Initial retract to get filament out without stringing
G1 E-10 F1000 ; retract filament in PTFE tube ( stages)
G1 E-10 F240
G1 E-10 F100
G1 E-10 F40
G1 E-10 F2000
G1 E-30 F2000 ; Remove filament to above drive pulley
M702 C ; Unload filament
G4 S1 ; pause 1 second
M107 ; turn off fan
M104 S0 ; turn off temperature
M140 S0 ; turn off heatbed
M84 ; disable motors
MMU v2 #
use the following gcode so the filament will be removed.
G1 E-1 F7200
G91
G1 Z5 F1200
G90
M220 S100 ; Set override speed to 100%
G1 X0 Y200 F2400
G1 E5 F150
G1 E-15 F5600 ; Initial retract to get filament out without stringing
G1 E-10 F1000 ; retract filament in PTFE tube ( stages)
G1 E-10 F240
G1 E-10 F100
G1 E-10 F40
G1 E-10 F2000
G1 E-30 F2000 ; Remove filament to above drive pulley
M702 C ; Unload filament
G4 S1 ; pause 1 second
M107 ; turn off fan
M104 S0 ; turn off temperature
M140 S0 ; turn off heatbed
M84 ; disable motors