Filament Loading on MK2S MMU

I can load filament through the menu on Extruder 1. Extruders 2, 3, and 4 all slow load correctly, but then spit the filament back out about 1/4" when I go to fast load. All wiring is double-checked. Again, Extruder 1 is working correctly. Tried flashing the firmware twice, no change.

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I used settings... move axis... move e to feed the other 3 pla plastics all the way into the multiplexor. It took forever, but I can now print the gear 4 material sample gcode. So my big issue at this point is quick loading of new filament.


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Hi Jacob,

Can you send me a video of this at That way, I will try to help you out further.

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Jacob Felger will be eternally grateful.
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