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Mushrooming between coupler and hotend.

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Posted · Mushrooming between coupler and hotend.

Hey,

So this all started when my stepper started to skip and my printer was not extruding enough filament to fill the layers. so I took the hotend assembly apart and did some tests and found that the filament was mushrooming inside the coupler or somewhere between the coupler and the nozzel. Does anyone have any suggestions on how to fix this or any other ideas of why this is happening?

PLA

210c

60c

100% fan

70-100% flow (I also tried messing with the flow rate but nothing helped)

If anyone could help that would be great, I need to print things for a fundraiser so I need it running. Thank you!

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Posted (edited) · Mushrooming between coupler and hotend.

Do you have any pictures of what you call mushrooming? Your nozzle may be partially clogged, the insulator could be deformed, the feeder could be filled with grindded filament.

Edited by Guest

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Posted · Mushrooming between coupler and hotend.

Not sure what you mean but you might need a new teflon coupler. Is this the UM2?

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