G91                             ; relative positioning
G1 H2 Z2 F6000                  ; lift Z relative to current position
G90                             ; absolute positioning
G29 S2                          ; clear heatmap
M561                            ; clear any bed transform
G53 G1 X{155 - global.probeXoffset} Y{155-0} F10000		; X64 Y0 manually put probe at the centre
G30									; Probe center
G30 P0 X{global.probeXoffset} Y155 Z-99999			; Probe left
G30 P1 X280 Y155 Z-99999 S2			; Probe right, adjust Zs
G29 S1                          ; load heatmap
G1 Z2 F10000