1. Remove the AIO.
  2. Only for MF models, remove the scanner unit (Scanner Unit).
  3. Remove the top cover (Printer models: Top Cover, MF models: Top Cover).
  4. Remove the fusing unit (Fusing Unit).
  5. Remove the PSU (PSU).
  6. Remove the HVP (HVP).
  7. Remove the by-pass lower guide plate (By-pass Feed Roller).
  8. Remove the paper feed clutch (Paper Feed Clutch).
  9. Remove the relay clutch (Relay Clutch).
  10. Remove the registration clutch (Registration Clutch).
  11. Remove the heat insulating plate [A].
  12. Remove the duplex motor base [A].

  13. Slightly flex the side frames outward, and remove the exit roller base [A] and grounding plate [B].

    When re-installing the exit roller base, remove the gear [C] temporarily so that it does not get damaged.

  14. Pass the harnesses through the hole inside the machine.
  15. Slightly flex the side frames outward, and remove the laser unit base [A].
  16. Remove the main power cord [A] on the right side.
  17. Remove the rear lower cover [A]. There is a screw behind the tray cover [B].
  18. Remove the bushings on both sides, and remove the duplex cover [A].
  19. Set the machine with the front side facing down, resting on the table.
  20. Release the link [A].
  21. Remove the bracket [A] on the left side.
  22. Remove the bushings on both sides and pass the harness [B] through the hole inside the machine, and  then remove the duplex transport guide [A].
  23. Remove the clamp [B], and then remove the bracket [A].

  24. Pass the harness [B] through the hole inside the machine, and remove the registration unit [A].
  25. Remove the upper guide plate [A] (2 hooks).
  26. Remove the registration roller (follower) [A] as shown below (spring x 2, plastic parts x 2).
  27. Remove the registration roller (drive) [A] (x 2, bushing x 2).