⬢Remove both idlers screws.
⬢Ensure that idler can move freely on screw, if not the case slightly loose screw holding idler in place.
Be aware of M3nS nuts for idler screws as they can fall from slots.
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Filament pulleys MMU1
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Filament pulleys MMU1
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Last updated 5 years ago Difficulty
Moderate Steps
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⬢Clean milled slot on both pulleys from filament residue.
⬢Make sure milled slot on motor mounted pulley is perfectly in center with filament.
⬢Make sure grub screw is tight and pulley is secured in place.
⬢After you're done, assemble the idler back together.
⬢Tighten the screws, the gap between washer and idler (printed part) should be 4-5 mm.
This photo is just for illustration, you don't have to remove the extruder from the printer.
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