probonopd
commented
7 years ago Something like
;Start GCode
G21 ;metric values
G90 ;absolute positioning
M82 ;set extruder to absolute mode
M107 ;start with the fan off
G28 X0 Y0 F2000.0 ;move X/Y to min endstops
G28 Z0 ;move Z to min endstops
G92 E0 ;zero the extruded length
G1 Y-3.0 F2000.0 ;go outside print area
G1 X100 E12.5 F1000.0 ;intro line
G1 Z1.00 F2000 ;move the head up
G1 E-1 F500 ;retract the filament a bit
M117 Printing... ;Put printing message on LCD screen;End GCode
G91 ;relative positioning
G1 Z1.00 F2000 ;move the head up
G1 E-1 F500 ;retract the filament a bit before lifting the nozzle, to release some of the pressure
G1 E-5 X-20 Y-20 ;retract filament even more
G28 X0 Y0 F2000 ;move X/Y to min endstops, so the head is out of the way
G0 Z{machine_height} ;move the platform all the way down
M104 S0 ;extruder heater off
M140 S0 ;heated bed heater off (if you have it)
M84 ;steppers off
G90 ;absolute positioning
M117 Done
By default, the printer prints plastic into the air during the start sequence. This should be changed in the Cura profile.