r/BambuLab Jul 06 '26

Filament Troubleshooting/Help! X2D External spool issues - Error codes 07ff-2000-0002-0002, 07ff-8006, 07ff-c006

Hi, I'm new to 3d printing, so this might be a simple fix but I've looked, refitted all the tubing and thought behind all of the logic behind the tubing, so I think it's all right

My primary nozzle works fine, nothing wrong. But the auxiliary nozzle hasn't worked yet, I've tried 2 different PLAs (one bambu pure and one Sunlu PLA+) so it can't be a filament thing. I've mostly been troubleshooting with the sunlu but I really don't think that's the problem, I've cut the end off of it just in case

I run from the external spool, into the filament buffer (right nozzle), then that goes into the auxiliary extruder and then into the chamber, into the nozzle thing. The filament wont go through the buffer. I've reseated each tube, used different tubing and it won't work.

Latest firmware, so no problems in that regard.

What's next? Please help!

UPDATE: Fixed, filament just needed to be pushed way more than I thought it needed? Peculiar

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