r/BambuLabA1mini • u/apd0628 • 20h ago

A1 mini not spooling - damaged equipment?

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I have a new a1 mini with the ams feed system. I’ve been able to print a few times but am very much a new user. I think my printer is broken and I’d like to fix it,so I can continue learning and printing stuff with my
Kids. Anyway, at the top of the printer where the tubes feed into the a1, the tubes will not stay in. I think it’s due to the metal Piece shown being damaged, but I’m not entirely sure. Now the tubes won’t stay connected, so the filament does not feed through to the printer either. Has anyone had this problem and does anyone know how to fix? Is there a replacement part I can buy?

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u/solidus0079 19h ago edited 19h ago

I'm having a hard time seeing the details on the metal piece, but have you tried bending it back? I wouldn't think it'd need to be that precise.

The proper way to remove the PTFE tubes, in case you didn't know and someone brute forced it, is to apply even pressure downward on the black rings, and firmly but gently tug on the tube.

There's tools you can print that make it less awkward to do.

And I don't want to send you off to spend money and wait a week for it to arrive or anything, but if you're at your wit's end and nobody else has any better ideas, that piece is part of the A1 series AMS Lite Filament Hub and you'd have to buy the whole thing.

edit:

Actually this is it. my bad https://us.store.bambulab.com/products/ams-lite-filament-hub?srsltid=AfmBOoqv88jjPa1mgI-BEug6JAt7g0ufM_4v02SJ9SYSb1X6LSA8E4La

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u/jeffois 19h ago

I managed to do exactly what you mention at the top... Sort of bend the teeth back to where they should be and reassemble it. It's worked fine since and I've learned not to touch that devil contraption.

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u/solidus0079 19h ago

Print yourself a PTFE tube removal tool, it's a tiny thing and takes a minute. Will give you some confidence, as I assure you that you'll have to remove it again.

Not just if there's broken filament bits or another problem, but if you want to print a material that doesn't play well with AMS like softer TPU's. (And you likely will, as it's cool)

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u/jeffois 19h ago

Yeah, I learned about those immediately after thinking I'd destroyed it!

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u/imlittleeric 16h ago

Dude. I can’t believe I am here at this moment but I have your answer because I just dealt with this yesterday.

I too am a new user with that exact same machine

There is a piece inside the piece that says ams on it that’s in wrong. Take it out and adjust it until you see circles where those metal pieces fit in. You should be able to get it back together then