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January 9, 2019 06:13
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Sample gcode to calibrate z-offset for auto bed leveling
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| ; for PLA calibration | |
| M140 S60 ; head up bed first for thermal expansion | |
| M104 S190 T0 ; start heating T0 to 190 degrees Celsius | |
| ; inspect probe placement & ensure safe Z home return is enabled | |
| ; | |
| M851 Z0 ; reset z-offset to zero | |
| G28 ; safe-z home all x,y,z while the extruder is still heating | |
| M109 S190 T0 ; wait for T0 to reach 190 degrees before continuing with any other commands | |
| ; | |
| G1 X110 Y110 ; move center of bed with offset zero | |
| ; | |
| M211 S0 ; now disable software endstops | |
| ; record nozzle z-offset | |
| ; | |
| M851 Z-1.00 ; save offset of -1.0 | |
| M500 ; store EEPROM | |
| M211 S1 ; restore endstops ***** |
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