When filament debris gets stuck in nozzle, separate tube guide and tube from the nozzle after removing the snap ring on the top of the nozzle..
1. After removing the snap ring on the top of the nozzle, separate the tube guide and tube from the nozzle..
2. Pull the remaining filament out of the tube. If the filament piece remain in the tube path, push the new filament into the tube to push the filament piece out of the tube.
3.Reassemble the tube and tube guide to the nozzle.