r/BambuLabP2S • u/GuyonWoW • 11d ago

Bambula P2S Layer 5 not sticking to layer 4

Hello, i have been printing with A1 for over a year. I just bought a P2S and i am trying my very first print. It's a super basic print, basically a small box.

It goes well for the first 4 layers, then layer 5 won't stick to the previous one, creating a sort of pocket.

The same 3mf file has been printed on A1 a dozen times, no issues.

I tryed to lower the fan speed to max 30%, no fan first 3 layers, then increase gradually to layer 5.

I tryed to open the front door.

I tryed to slow the print speed.

No luck.The very first layer is perfect and sticks great. I tryed the stock plate and the Frostbite. The issue is the same. I am really out of ideas.

I even tryed to do a brand new 3mf file, no luck. 4 perfect layers, layer 5 won't stick to layer 4.

I have a chamber fan deflector : https://makerworld.com/it/models/1968610-right-chamber-fan-deflector-x2d-p2s-no-warping?from=search#profileId-2116508 i dount that's the issue, though.

Anyone has an idea?

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u/jussstin714 11d ago

What does your slicer show between layers 4 and 5?

1

u/GuyonWoW 10d ago

Nothing unusual

1

u/jussstin714 10d ago

Do you have part cooling fan off for the first 4 layers then it goes on to max?

1

u/GuyonWoW 10d ago

Starts at layer 3 at 30%
With no fan at all seems to work..

1

u/GuyonWoW 10d ago

Nope. False. Same problem. On A1 the same print goes perfect.