1. Install the heater board. (Heater board Installation)
  2. Connect the PCU harness [A] to CN922 of the heater board and clamp the harness.
  3. Attach the clamps (provided with this unit) around the controller board in the rear main unit.


  4. Route the heater cable [A] to the rear of the main unit.

    At the blue circle position shown below, position the clamp between the two cable ties [A].

  5. Open the front cover.
  6. Open the right cover.
  7. Open the transfer unit [A].


  8. Release the lever [A] then remove the PCDU [B].

    Carefully and slowly pull out the PCDU without tilting, to prevent toner spillage.

  9. Lift the lever [A] then pull out the waste toner bottle [B].
  10. Take off the heater bracket [A].

  11. Attach the anti-condensation heater (PCU) [A] to the heater bracket [B].

    • Fit the anti-condensation heater (PCU) [A] into the tab [C] on the heater bracket [B].

  12. Attach the thermostat [A] to the anti-condensation heater (PCU) [B] (x1).

    • Fit the thermostat [A] into the tab [C] on the heater bracket [B].

  13. Remove the development bearing cooling fan [A].
  14. Put back the anti-condensation heater (PCU) [A], and then pass the harness out through the guide [B] at the rear lower part of the PCU rail.


  15. Connect the harnesses of the thermostat [A] and of the anti-condensation heater (PCU) [B] to the harnesses [C] which were routed in step 4.

    • You can connect the harnesses [C] up to either harness [A] or [B].


  16. Attach the DECAL:WARNING (HIGH TEMPERATURE) to the bracket.
  17. Attach the heater cover [A].
  18. Fix the anti-condensation heater (PCU) and the heater cover with the SCREW:SMALL ROUND/SPRING:M3X5 (provided with this unit).
  19. Reattach the development bearing cooling fan, PCDU, waste toner bottle, and all covers which have been removed.
  20. Attach the DECAL:WARNING (HIGH TEMPERATURE) (HEATER OPTION).