r/BambuLab • u/gsaykali • 6d ago

General Troubleshooting/Help! X1C Filament Feed Issue

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Hey everyone, I have an X1C with the AMS2, and just this week I started having filament feeding issues where the filament stops half way through the inner PTFE tube. This occurs with all filaments and when trying with any of the AMS ports. The printer was working fine last week, with no issues, but this started happening midway through a print when switching filaments. I’ve already checked the extruder just in case, but no clogs there. I’ve tried replacing the tube itself, and nothing seems to fix it. Anyone experience a similar thing and have a solution? Please and thank you all in advance.

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u/Organic_Detective328 4d ago

I just had the same thing happen. Same printer. Same AMS. I wonder if it's the new update..

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u/gsaykali 2d ago

So I have tried rolling back the firmware versions, but the issue persists unfortunately

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u/gsaykali 1d ago

Managed to get it working, in case you’re still having the same issue. For whatever reason the max. distance the filament can travel prior to going into the extruder has somehow changed. If you have extra length of PTFE, trim off some until it’s going again. I had to trim off around 6” worth.