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At the end of prints I get "Unloading Filament" "Ramming" and stuck at 50%.
Every 2 or 3 prints when using the MMU3, It gets stuck like this indefinitely. The filament seems to be retracted just fine, if I reset the machine it prints again just fine as well. Not a huge issue, but still an inconvenience. Any ideas? I imagine maybe a sensor isn't calibrated quite right?
Posted : 04/09/2025 3:18 am
RE: At the end of prints I get "Unloading Filament" "Ramming" and stuck at 50%.
This exact thing keeps happening to me too.
Any updates?
Posted : 22/01/2026 2:40 pm
RE: At the end of prints I get "Unloading Filament" "Ramming" and stuck at 50%.
What version of firmware are you using? 6.4.0 has been known to cause errors like this. I reverted to version 6.2.6, and those errors went away.
MK4S/MMU3
Posted : 22/01/2026 3:56 pm