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G29 Issue

Posted by bclamore 
G29 Issue
September 30, 2022 09:34AM
Hi all,

I'm looking for help with a UBL issue on 2.0.5. Start gcode includes:

G29A
G29 L1
G29 J

This causes the machine to do a complete UBL bed probe -- 121 points -- which takes a long time. The UBL has already been done and stored. I tried removing the G29 J or even trying G29 J2 and G29 J3, but Marlin does the full 121 no matter what.

The machine is printing okay, so the mesh data seem good. I definitely want to use the data. Any idea why Marlin wants to do a full bed probe?

Thank you in advance.

Brian
Re: G29 Issue
September 30, 2022 03:57PM
Perhaps the mesh saved in L1 is invalid. Do a G29 A, G29 L1 and then M420 V3 to see the state of the mesh.
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