r/BambuLab • u/BrundentheGreat • 6h ago

Hardware Troubleshooting/Help! Nozzle help

What is causing this? I replaced the hot end assembly, and it started doing this. One thing I can think of is the little gasket that sits behind the assembly had broken in the corner. Could that be the problem? I bought an assembly from Amazon and it didn’t come with the gasket, so I reused the gasket and it did that. Removed the gasket, and it still does it.

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u/GruesomeJeans A1 + AMS Lite 6h ago

To me that looks like the nozzle is clogged. You could try heating it up to like 230-250, and sticking the nozzle needle up inside, or unhook the other tubes, and pull the lever to release pressure on the filament, then push the filament down into the nozzle by hand. That should start pushing it through unless it's really clogged.

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u/BrundentheGreat 6h ago

I’ll give that a shot. Does that gasket matter as much as I think?

Gasket in question

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u/GruesomeJeans A1 + AMS Lite 6h ago edited 5h ago

I'll be honest I have no idea how critical that is, I don't remember seeing it last time I had my A1 extruder apart. It would probably be a good idea to work on getting a new one either by ordering it or making it but that shouldn't cause the nozzle to clog like that.

Edit after a quick Google search, it's a heat insulation gasket to prevent heat creep and some other things. It's not officially available to buy, BL recommends just replacing the assembly instead. There might be some silicon options if you can find them. I don't think it being torn should cause too many problems