Printrbot idler latch with 3 mm filament guide and captive nuts (hexes rotated)
by rswarner, published
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It's a huge improvement to the original part and has solved numerous problems with the extruder stalling. It's going into my printrbot essential upgrades collection for sure! :)
I generally open the latch and remove the filament from the extruder before it cools. That way I can store my filament in a box with desiccant. When I'm ready to go again, I thread the filament through the hole and past the hobbed bolt into the extruder until it bottoms. Then I latch it shut. I always extruder "stale" material out of the nozzle before I print anyway, so this doesn't cost me much. I'm glad it's working for you!
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