Do this only if you are sure the fiber was jammed inside the extruder. Before the start, disconnect the fan shroud as explained in Nozzle cleaning section.
- Using a hex key from the Supply Kit, loosen the 2 screws on the front of the extruder.
- Disconnect composite extruder.
- Unscrew the fiber feed tube and check for the broken fibers inside.
- Use a pair of tweezers to clean the trimming system.