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Best way to clean the extruder nozzle of a 3D printer

Posted by crox on
From Isaac Budmen:

1. Heat the nozzle to 200C
2. Run Nylon filament through the extruder
3. With Nylon in the nozzle, reduce the temperature to 135C, and once there let it sit for a minute
4. Slowly but firmly work the filament out of the top of the extruder

This has worked very well for me a couple of times. Here is how the filament looks like when I take it out of the extruder (repeat steps 1-4 until it comes out clean):


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