11.3 Clogged / jammed extruder

  • Material clogged in extruder can cause problems with the printing or with the loading of a new filament.
  • Heat the nozzle, remove the filament from the extruder and cut the rod cca 10 cm above the damaged part.
  • Next step is a cleaning of an extruder. There is a service hole on the left side of an extruder where you can access the hobbed pulley (pict. 16).
  • Clean the hobbed pulley then heat the nozzle and load filament.
  • If a problem persists you have to clean the nozzle.

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Pict. 16 - Cleaning the extruder - you can see the hobbed pulley through the service hole