REMOVING FILAMENT 

  1. Preheat the hotend to printing temperature 
  2. Press the extruder arm to release the gear tension 
  3. Push the filament down about 10mm to extrude any melted plastic from the hotend 
  4. Quickly pull the filament out of the extruder



LOADING FILAMENT 

  1. Preheat the hotend to printing temperature 
  2. Cut the tip of the filament at a 45-degree angle 
  3. Straighten the tip of the filament out 
  4. Using the printer menu issue an Extrude command 
  5. Insert the filament into the extruder as the gears are rotating When loading filament do not press the extruder arm until the filament has made it into the tube below the extruder drive gears