Troubleshooting A Jammed Extruder


  The first step is to determine if the failure is in the plastic extruder or the nozzle:

  • Run the load plastic routine but do not follow the on-screen commands yet.
  • Once the nozzle has reached temperature, unscrew the bowden nut on the larger PTFE tube that is entering the top of the printhead.

                 

  • Carefully remove the tube from the printhead. The tip of the plastic will be hot. Be sure to not let it contact your skin.
  • Continue the load plastic routine. If plastic is freely extruded from the end of the PTFE tube, the jam is likely in your nozzle and the nozzle should be replaced. If the extruder motor skips or does not push plastic freely, the jam is likely in your extruder.
  • If the jam is in your extruder, remove the inlet PTFE tube and then pull the plastic out of the extruder.

                 

  • If the the plastic is difficult to pull out, depressing the spring loaded assembly by pushing in on the aluminum piece on the bottom of the extruder may help

                 

  • When you are ready to print again, reassemble all components. You may need to clip the end of the plastic before re-inserting it into the printhead.