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REPLACING FILAMENT
1.
With the printer powered on, touch Filament > Change. The printer will
automatically begin preheating the extruder, then will unload the filament.
2.
Once the printer has finished unloading the filament from the extruder, it will
prompt you to remove the filament, then will prompt you to insert new filament.
Touch OK once several centimeters of filament has been extruded.