Step 1 Remove Festo fitting
⬢Remove Festo fittings from multiplexer.
Use the 8mm side of the wrench, which is part of the upgrade kit.
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Unable to unload filament MMU1
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Unable to unload filament MMU1
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Last updated 4 years ago Difficulty
Moderate Steps
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Step 2 Check filament in cooling tube
⬢In case filament is stuck in cooling tube pull cooling tube from filament using gentle force.
⬢If filaments can not be removed using gentle force use lighter to slightly warm cooling tube and using pliers pull cooling tube from filament.
Step 3 Check smooth entry of filament
⬢Using piece of filament make sure filament can pass into the PTFE tube without any resistance
You should be able to freely insert at least 60 mm of filament.
⬢Check all 4 entries.
Step 4 Filament stuck below multiplexer
⬢Remove screw holding multiplexer in place.
⬢Slide multiplexer up to pull out filament from nozzle.
Pre-heat nozzle in case filament is stuck in nozzle.
⬢Cut end of the filament.
⬢Assemble multiplexer and unload filament.
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