G21 ;metric values
G90 ;absolute positioning
M82 ;set extruder to absolute mode
M107 ;start with the fan off
G28 X0 Y0 ;move X/Y to min endstops
G28 Z0 ;move Z to min endstops
G1 Z15.0 F{travel_speed} ;move the platform down 15mm
G92 E0 ;zero the extruded length
G1 F200 E3 ;extrude 3mm of feed stock
G92 E0 ;zero the extruded length again
G1 F{travel_speed}
;Put printing message on LCD screen
M117 Printing...
похоже это вопрос к хозяину слайсера зачем делать сопельку. У меня на Ку 4.4 : G28 ;Home
G1 Z15.0 F6000 ;Move the platform down 15mm
;Prime the extruder
G92 E0
G1 F200 E3
G92 E0 на 4.7 : M220 S100 ;Reset Feedrate
M221 S100 ;Reset Flowrate
G28 ;Home
;Code for nozzle cleaning and flow normalization
G92 E0 ;Reset Extruder
G1 Z2.0 F3000 ;Move Z Axis up
G1 X10.4 Y20 Z0.28 F5000.0
G1 X10.4 Y170.0 Z0.28 F1500.0 E15
G1 X10.1 Y170.0 Z0.28 F5000.0
G1 X10.1 Y40 Z0.28 F1500.0 E30
G92 E0 ;Reset Extruder
G1 Z2.0 F3000 ;Move Z Axis up