Hey everyone, I Use a Servo Z probe arm to auto level the bed

3D Printing
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1

Hey everyone, I Use a Servo Z probe arm to auto level the bed on my Prusa i3 (older) and I have been having problems lately. The initial Z height is too high, none of the prints are sticking and the first layers look horrible. Normally to fix this I go into the marlin firmware and adjust the Z_PROBE_OFFSET_FROM_EXTRUDER. Now when I change this value, Upload and run the print again nothing changes.If anyone has any tips please help me out.

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Remember to reset your EEPROM values to default when you reupload (M502)

3

Instead of using the firmware, M852 by itself should report the Z offset. Then you can change the Z offset with “M852 Zx.x” (x.x being the desired offset). Adjust using M852, then once you find the right setting do M500 to write that value to EEPROM.

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@Fred_Hamilton Thank you, Now the first layer is almost perfect.