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MK4S and MMU3 Troubleshooting slots 4 and 5
I am trying to calibrate my MMU3 and keep running into the same issue. All 5 slots will preload just fine. When I do the loading test, slots 1-3 work great. However both 4 and 5 have the same issue. The filament will make it all the way to the F Sensor, but doesn't retract back to the MMU3. It just stays in the tube connecting the two. In some cases it will retract some of the way and then stop. I have tried swapping the filament out with ones that has previously worked and the issue still remains. Does anyone have any advice for how I can try and fix this?
P.S. All hardware and software are the most up to date versions. I use mostly PLA from PRUSA filament or Overture.
Veröffentlicht : 14/11/2025 4:19 am