G28 ; Home extruder
G1 Z15 F100
M107 ; Turn off fan
G90 ; Absolute positioning
M82 ; Extruder in absolute mode
; Activate all used extruder
M104 T0 S218
G92 E0 ; Reset extruder position
; Wait for all used extruders to reach temperature
M109 T0 S218
;Layer count: 50
;LAYER:0
M107
G0 F2400 X91.000 Y91.000 Z0.300