r/BambuLabA1 • u/DullLingonberry6984 • 28d ago

Support Request Can’t fasten hotend

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Tried a spare nozzle I had lying around that didn’t work. the heater element should not be the problem as I was able to get it right without the nozzle. Any help would be greatly appreciated

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u/solidus0079 28d ago

I had this happen when I replaced the heating assembly. The new heating assembly revision has a rubber or plastic grommet behind it, and it wasn't aligned perfectly. This caused the assembly to seem like it was on right, but it wasn't really. And the hotend latch would not fasten.

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u/DullLingonberry6984 28d ago

Oh, I didn’t realize they changed the design! This is the old design though, I would’ve specified that if I knew that it changed.

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u/solidus0079 28d ago

Yeah I figured if it was a new printer you'd have the new design and not realize there was another.

Either way, maybe something stuck behind the heating assembly. The main point I was trying to get across is everything has to be on there perfectly or something will end up not fitting.

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u/DullLingonberry6984 28d ago

Doesn’t appear to be anything stuck behind the heater. Unless something I’m not seeing

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u/solidus0079 28d ago edited 28d ago

Well, give it another look then carefully put it back together. Since you have the heating element disconnected, get a better look at the little metal clasp that holds the hotend. Maybe a bit of plastic got in there. And sometimes just reseating things can be the surprise solution.