M400 G26 ; clear potential 'probe fail' condition G21 ; set units to Millimetres M107 ; disable fans G90 ; absolute positioning M82 ; set extruder to absolute mode G92 E0 ; set extruder position to 0 M400 ;clear buffer M117 PUSH X MIN G0 X-65535 F12000 M400 M117 PUSH X MAX G0 X65535 F12000 M400 M117 PUSH Y MIN G0 Y-65535 F12000 M400 M117 PUSH Y MAX G0 Y65535 F12000 M400 M117 PUSH Z MIN G0 Z-65535 F3000 M400 M117 PUSH Z MAX G0 Z65535 F3000 M400 M117 PUSH Z PROBE M226 P22 S0 T0 G0 E250 F12000 M400 G0 E0 F12000 M400 T1 G0 E250 F12000 M400 G0 E0 F12000 M400 T0 M117 FAN 40 PERCENT M106 S102 ; set cooling fan to 40% G4 S5 M400 M117 FAN 100 PERCENT M106 S255 ; set cooling fan to 100% G4 S5 M400 M117 fan off M107 ; turn off cooling fan M2 M300 M117 Test successful!!! ; display test successful M203 E1 M500