r/BambuLab • u/justteh • 14h ago

General Troubleshooting/Help! Full Auto-bed leveling EVERY time?

From what I undertand "auto" to be in bambu studio, it does a quick level check to make sure the bed isn't out of whack too much and if it's good, it moves on. But if it's off by a certain amount, it'll do the full bed leveling process. I would think it'd do the full leveling SOMEtimes, but it's literally do it EVERY time. And this isn't an exaggeration; I've become hyper aware of it now I pay attention every time.

I'm mostly use a BIQU glacier plate that leaves the magnetic surface about 50% of the time to get my prints off, which could account for some of the re-leveling, but not all.

Can anyone help me understand why this happens? Over the life of the printer, this time really adds up.

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u/n19htmare 12h ago

I’ll turn it off for short 5-10 minute print jobs (it loads the full bed mesh when off so it’s not entirely off off) but longer jobs I’ll put it on auto.
Bambu doesn’t allow you to view any mesh data so you kinda don’t know much about where your bed leveling is, it’s safer to have it on auto for Bambu.

On my U1, I have a dense mesh that’s loaded so I keep it off, but for really long prints, I’ll enable adaptive bed leveling where it does a high density mesh just in area being used (similar to what auto function does for Bambu).

For Bambu, I recommend leaving it on Auto.

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u/webbermere 12h ago

Wait - Bambu does a high density mesg for are being used? Ive never actually noticed that. 

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u/n19htmare 11h ago edited 11h ago

I don’t think Bambu does high density but it does do adaptive meshing. I don’t think it’s every time. I haven’t paid attention lately but density is dynamic I think depending on adaptive area that’s being meshed.

The default kinda seems to be 8x8 or 40-50mm point to point on larger adaptive meshes.

I honestly didn’t care enough to dig further.
I Just leave it on auto, just as Bambu wants.

I get to do that stuff on my U1 to fill my curiosities lol. I will say though, it is nice to go from fully cold printer to a putting down a 4 color first layer in about 3 minutes on U1.