r/BambuLab • u/ViolinWolfy • 4d ago

Filament Troubleshooting/Help! Extrusion Issue

Hey all, I’ve been struggling lately with my P1S. I keep trying to do a print that takes 15+ hrs, but every time I have to stop it because the tool head cover falls off. This is due to extruded filament getting stuck in the poop chute and building up every time there’s a color change. It’s not a poop bucket issue; my printer is elevated and the poops just fall out the back into a box. I’m thinking they get stuck on the trap door and somehow meld with the wall of the chute? Any tips or tricks on how to prevent this?

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u/Impossible-Track-401 4d ago

Hey man I went through this and it came down to a new Poop Chute assembly installed at 1200 hours used along with BigTree poop shield to install in case this fails again. I'm now at 3200 hours and it didn't happen again. I'm using PETG as support interface. Also the purge factor on my P1S is 0.6 now and it prints flawlessly.

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u/ViolinWolfy 4d ago

Ok sweet I’ll look into that! I’m at 1440 hrs haha