
63
After every 200 hours:
Cleaning the extruder gears. Unscrew the screw indicated in the figure below and then use
compressed air to clean the inside of the extruder. In the case of larger contamination, the filament
sections can be removed with tweezers.
Figure 48 Inside of the left extruder (racks), set screw - right extruder
Cleaning the inside of the printer. It consists in removing all waste and filament residues from the
inside of the printer and cleaning the surface of dirt.
Be especially careful when working with compressed air. Do not direct the airflow
towards people, especially eyes and ears. Always use protective glasses.
After every 300 hours:
See
6.6
Every 500 hours:
See Replacing the CARBON / HEPA filters.