Blocked nozzle

  1. Unload the filament from both of the extruders, turn the machine off and unplug it. 
  2. Using the 2.5 mm hex key included in your kit, loosen the 4 silver bolts on the bottom front of the extruder fan until you can wriggle the motor assembly back and out from the machine. Make sure to unplug the motor cables from the tops of the motors as well.
  3. At this point I'd like you to turn the bot on again and preheat the extruders while the motors are removed. 
  4. Once they reach 230 c, cut a piece of filament with a straight edge and push it directly through the thermal barrier tube.
  5. I like to use a pair of pliers to do this so I get optimal force and so I don't run the risk of touching the extruder with my hands while it is hot.
  6. Force the filament through until you see filament extruding from the nozzle, and then yank the filament out from the top again. 
  7. Cut the edge clean with some snips or a wire cutter and repeat the process 3 to 4 times or until little force is required to push the filament through.

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