How often should I clean the air filter and how do I clean it?

• Clean the air filter when you see any of the following messages:
  • The air filter is clogged.
  • Clean or replace the air filter.
  • Check or Replace the air filter.
  If it is not cleaned periodically, it can become clogged with dust, preventing proper ventilation. This can cause overheating and damage the projector. See Cleaning the Air Filter.