1. Remove the rear cover (Rear Cover)
  2. Disconnect the fans (x4).

  3. Remove the fan housing.

    Fusing Air Intake Fan: Lower Right

    Fusing Air Intake Fan: Lower Left

    Paper Exit Exhaust Fan: Lower Right

    Paper Exit Exhaust Fan: Lower Left

  4. Remove the ozone filter and air filter from the housing.
  5. Free the harness and unfasten the housing (x1,x4).

  6. Open the housing as shown [A].

    • To prevent damaging the delicate seal strip, never break open the housing on its side as shown [B].

  7. Remove the brackets [A].

  8. Free the harness and remove the four fans.

    • Pay attention to the direction of the labels as you remove each fan. They must be re-installed with the labels facing the same direction.