G21 ; set units to millimeters
G90 ; use absolute coordinates
M83 ; extruder relative mode
M104 S[first_layer_temperature] ; set extruder temp
M140 S[first_layer_bed_temperature] ; set bed temp
G28; HOME ALL
G32 ; MESH BED LEVELLING
M109 S[first_layer_temperature] ; wait for extruder temp
M190 S[first_layer_bed_temperature] ; wait for bed temp
G4 S20 ;wait Sx seconds for temp to soak through the bed
G28 Z ; Home Z axes again now that the bed is at temperature.

G29 S1 ;Load the height map from file and activate mesh bed compensation
M376 H5 ;Taper off bed compensation after Hx mm

M572 D0 S0.04 ;set PRESSURE ADVANCE

;PRIME LINE
G4 P100; Brief pause
M300 S500 P800; Beep and we're off!
G4 P100; Brief pause

G1 X230.0 Y1.0 Z0.3 F6000.0 ; go to start of prime line
G92 E0.0 ; set extruder position
G1 X115.0 E20.0 F1000.0 ; prime line
G1 E-0.5; retract
G92 E0.0; reset extruder

M915 X Y S3 R1 F1 ;stall detection