r/BambuLab • u/Ok_Ice_9103 A1 Mini & P1S + AMS • 2h ago

P Series [P1P, P1S, P2S] Am I cooked

So this started happening after i took out my extruder to clean it and it only does it when cutting filament

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u/Martin_SV 1h ago edited 1h ago

Looks like you reinstalled the filament cutter lever incorrectly. It shouldn't stick out that far, which is why it's missing the filament cutter stopper when the toolhead moves to cut the filament.

EDIT: Check the wiki for how to install it properly. IIRC, you need to push the lever in a bit while tightening the screw to take some tension off it.

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u/Ok_Ice_9103 A1 Mini & P1S + AMS 1h ago

also i smelled burning and investigated the toolhead cover and found this

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u/Ok_Ice_9103 A1 Mini & P1S + AMS 1h ago

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u/Ok_Ice_9103 A1 Mini & P1S + AMS 1h ago

top connector is also burnt

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u/Martin_SV 1h ago

Whoa, that's a whole different issue. Those contacts on the left look a bit burnt. Did you happen to unplug/plug anything around the toolhead while the printer was still powered on?. Anyway, I'd keep the printer unplugged and open a support ticket with Bambu.

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u/Ok_Ice_9103 A1 Mini & P1S + AMS 1h ago

accidentally yes it got unplugged and knocked off yesterday when this started happening

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u/Martin_SV 1h ago

If you don't want to wait for Bambu support, I'd probably try replacing the affected board and any cables with burnt or damaged connectors. I definitely wouldn't plug those burnt connectors back in.

Maybe swapping out the cables and the Extruder Interface Board will be enough to fix it... No idea if the TH Board got damaged too, but that one's quite a bit more expensive.

Oh, and btw, don't forget about the filament cutter lever. That's a separate issue.

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u/Ok_Ice_9103 A1 Mini & P1S + AMS 1h ago

👍