Yes, i use the actual firmware and it checks 3 positions with each nozzle. I started with a manually levelled bed, having done a test print with nGenFlex and than activated active bed levelling.
The nozzles are not 0.5 mm above the surface. The process started with core 2 directly on the surface moving the bed up and up and up so the spring of the core are notably compressed and the bed was tilted, leaving a tangible dent in the BuildTak surface. Then it moves to the second test point leaving a visible scratch on the surface. This is repeated for all test points with each nozzle and than the process failed.
I have lowered the bed and started active levelling again. This time the process went through, no compression of the cores spring, no tilting of the bed and the process finished successfully.
Thanks
Carsten
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tomnagel 126
We have done limited testing with BuildTak, and found it to be working fine with our Active leveling software.
Can you tell me what goes wrong? You use the newest firmware, which does 6 probes (3 times with each nozzle). Is there *at least* 0.5mm distance between buildtak surface and the nozzle when each probe starts? If you doubt this, lower the bed with the screws a little.
The probing is done with hot nozzles, because any material residues on the nozzle must be squashed during probing. This may leave marks on your buildtak surface.
The answer to your question is: you cannot. Either you use active leveling, or you do manual leveling. You cannot do active leveling, and enter an offset somewhere.
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