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How to make loading filament to MMU3 easier?  

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annabrego
(@annabrego)
Member
How to make loading filament to MMU3 easier?

Hello,

I recently got my MMU3 for the MK4, and I really like it so far. My biggest issue is loading filament. If the filament is too curled, it veers off and slips out the side. Plus, jamming filament is frustrating. I always cut my filament tips to a point, but getting the filament to align properly with the hobbed gears and feed can be a hassle. Has anyone with an MMU found a way to make this process more foolproof?

Napsal : 23/11/2025 9:47 am
LarGriff
(@largriff)
Reputable Member
RE:

In addition to sharpening (or rounding) the tips, the main trick is to make sure the first 4” (100mm) is straightened.  There are a few “straighteners” on Printables.com but I just use my fingers.

Also, if you unload a spool from the MMU, don’t cut off the tips as they are likely still well formed and will load easier the next time you use it.

This post was modified před 4 hours by LarGriff

MK4S/MMU3

Napsal : 23/11/2025 2:56 pm
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