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Assembly suggestion (from a MMU3 issue after assembly)
My MK4 with MMU3 was about 4 hours into a 6 hour multi color print when I started getting FINDA errors. It turns out the filament wasn't being fed into the selector.
The problem. The screw that holds the feed gears onto the Pully stepper motor shaft had not only come lose but come out. I discovered a second screw that was loose as well.
After assembly but before you close the MMU3 and tighten the two tension screws. Double and triple check the screws that hold the 5 feed rollers in place on the pully shaft.
If they come lose again I will consider using lock tight on them.
Posted : 19/04/2024 8:43 pm