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MMU3 Filament Randomly Ejects and Stops Homing
I'm printing with 2 nylons, one is a bit softer than the other and that softer one keeps randomly ejecting from the mmu. Sometimes it gets cut and everything continues fine, but since it is so soft often it will simply bend and cause the mmu to jam.
I've tried loosening the tension screws as much as I can. I think maybe there is not enough friction between buffer and mmu, but not sure and no idea how to increase that. I am using this buffer: https://www.printables.com/model/77054-mmu2s-buffer-inspired-by-rmu-buffer
Posted : 04/03/2025 5:06 pm
RE: MMU3 Filament Randomly Ejects and Stops Homing
Try again with the standard Prusa buffer? It might not be pretty, but it works great!
MK4S/MMU3
Posted : 08/03/2025 2:17 pm