Unload Filament script:

M203 Z120 ; Set Extruder Feedrate to 120mm/s

G1 E-25 F7200 ; Fast retract - FPos. -25mm

G92 E0 ; Set Extruder position to zero

G1 X150 Y285 F3600 ; move to tool change position X150 Y285 - can be modified

G4 S8 ; wait for 8s

G91 ; Set to Relative Positioning

G1 E24 F3600 ; Load Filament to Nozzle - FPos. -1mm

G1 Y20 E0.5 F3600 ; Load Filament to Nozzle while moving - FPos. -0.5mm

G4 S0.5 ; wait for 0,5s

G1 E-40 F7200 ; Fast long retract FPos. -40mm

G4 S4 ; wait for 4s

G1 E-100 F2700 ; Retract Filamnent to waiting Position FPos. -140mm

G90 ; Set to Absolut Positioning

M203 Z60 ; Set Extruder Feedrate to 60mm/s

Load Filament script:

G91 ; Set to Relative Positioning

G1 X2 F3600 ; move X +2mm

G1 E139 F1200 ; Load Filament to Nozzle - FPos. -1.5mm

G1 Y-20 E0.5 F600 ; Load Filament to Nozzle while moving - FPos. -1mm

G92 E0 ; Set Extruder position to zero

G90 ; Set to Absolut Positioning