Marc Dobler | Web Developer, DIY Maker

Marc Dobler

How to calibrate Z-Offset with a BLTouch bed leveling probe?

Requirements

  • Any kind of software you can send GCODE through the terminal like Octoprint
  • Piece of paper 90g/cm3

Z-Offset Instructions:

  • G28 – Home 3D printer
  • M851 Z0 – Reset Z0 Offset
  • M500 – Store setting to EEPROM
  • M501 – Set active parameters
  • M503 – Display Active Parameters
  • G28 Z – Home Z-Axis
  • G1 F60 Z0 – Move nozzle to true 0 offset
  • M211 S0 – Switch off soft endstops
  • Move nozzle towards bed slowly until the paper can barely move
  • Take note of the Z on the printer display (take that number and add the measurement of the calibration sheet or device used)
  • M851 Z X.XX (X.XX being your z offset achieved)
  • M211 S1 – Enable Soft Endstops
  • M500 – Save settings to Eeprom
  • M501 – Set Active Parameters
  • M503 – display current settings

Enjoy!

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