mriscoc
commented
6 months ago Hi, this is not a general printer support forum. Many problems can be easily solved by reading the firmware Wiki please check the calibration guide.
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Gurke258
Did you test with a precompiled firmware?
Yes, and the problem still exists.
Bug Description
I cant use G29 in my G-Startcode. Also when I send G28 and G29 in terminal of OctoPrint.. Nothing happens.
I have the Marlin 2.1.3 MRiscoC Ender3V2-427-BLTUBL-MPC for my BL Touch.
In the manual it is written:
Put in the start Gcode script of the slicer (Cura, Simplify, Prusaslicer, Superslicer, etc.) after the G28 the commands:
G28 ; Home all axes M420 S1 Z2 ; Use mesh level upto 2 mm Z2 is for set fade height to 2, so leveling correction is active only the first 2mm. S1 enables the leveling system (only if a valid mesh exists in RAM), S0 disables the leveling system, more info in Marlin Docs.
Note: if you have your printer connected to Octoprint, and you try to print a g-code with the M420 without a valid mesh you can get an M112 error. Please follow this guide to change the error handing in Octoprint.
For UBL you can alternatively use these start G-codes after the G28:
G28 ; Home all axes G29 L0 ; load a valid mesh from slot 0 G29 A ; active the UBL system Verify that you don't have a M501 in your start G-code script, that G-code will clear the UBL mesh data, so if you use M420 S1 to enable leveling you will have a mesh with all points in 0.
But i dont have UBL.. i have BLT ^^ or is BLT not for BLTouch?
Bug Timeline
last week
Expected behavior
That the G29 do my auto level mesh
Actual behavior
nothing when i try to use G29
Steps to Reproduce
Version of Professional Firmware
Marlin 2.1.3 MRiscoC Ender3V2-427-BLTUBL-MPC
Printer model
Ender 3 V2
Electronics
4.2.7
LCD/Controller
No response
Other add-ons
No response
Bed Leveling
ABL Bilinear mesh
Your Slicer
Other (explain below)
Host Software
OctoPrint
Additional information & file uploads
I Use teh Orca Slicer V1.9.1