• Turn OFF the main power, and unplug the machine power cord before starting the following procedure.

  1. Open the rear upper cover [A].

  2. Release the hook by opening the right side of the cover, and then remove the cover [A] by rotating it in the direction of the blue arrow.

    • Be careful not to damage the hooks on the controller cover when removing or installing.

  3. Insert a flathead screwdriver in the order of , and  to release the three hooks of the rear right stay [A].

  4. Release the hook and remove the rear right stay [A].

    • Be careful not to damage the hooks on the rear right stay when removing or installing.

  5. Push the button [A] and open the front cover [B].

  6. Release the hook [A] of the right upper cover [B] by opening the cover in the direction of the arrow.

  7. Release the hooks [A] of the right upper cover [B] by lifting the bottom right of the cover, and then remove the cover.

    • Be careful not to damage the hooks on the right upper cover when removing or installing.

  8.  Remove the paper feed tray [A] by pulling it out.

  9. Remove the power connector cover [A].

    • When removing the power connector cover, pull it in the direction of the arrow.
    • Be careful not to damage the hook on the power connector cover when removing or installing.

  10. Remove the three screws from the right lower cover [A].
  11. Close the rear upper cover [A].
  12. Open the rear lower cover [A], and then release the hook of the right lower cover [B] by rotating it in the direction of the blue arrow.
  13. Release the hooks [A] and [B].

  14. Remove the right lower cover [A] by rotating it in the direction of the arrow.

    • Be careful not to damage the hooks on the right lower cover when removing or installing.
    • Do not remove the screw [A] when removing the right lower cover [B].

  15. Remove the bracket [A].
  16. Disconnect the USB connector [A] of the operation panel.

  17. Disconnect the connector [A] and release the harness from the harness guide [B].

  18. Disconnect the three flat cables and two connectors.

    • Make sure to open the flap before disconnecting the flat cables [A] and [B], as shown in the following pictures. Otherwise, the connector may be damaged.
    • When disconnecting the flat cable [A], pull it out in the direction of the arrow.

  19. Release the flat cable and harness from the harness guides.

  20. Remove the cover [A].

  21. Remove the six screws from the controller box [A].

    • The screw [B] is a tapping screw. Be careful not to use the wrong screw when installing the controller box.

  22. Release the harnesses [A] and FFC [B] from the cable guides.
  23. Release the hook [A], and then remove the controller box [B] by rotating it counter-clockwise.
  24. Disconnect the connector on the controller box [A].
  25. Remove the fax unit [A].
  26. Remove the slot cover [A].

  27. Remove the controller box cover [A].

    • The screw [B] is a small screw. Be careful not to use the wrong screw when installing the controller box cover.

  28. Remove the controller board [A] with the BiCU [B].

    • Be careful not to damage the backside of the controller board [A] and the BiCU [B].

  29. Remove the HDD with the bracket [A] from the controller box [B].
  30. Remove the HDD [A] from the HDD bracket [B].
  31. Disconnect the two cables [A] from the HDD [B].
  32. Remove the enhanced security HDD from its protective package.
  33. Connect the two cables [A] to the enhanced security HDD [B].

  34. Install the enhanced security HDD [A] on the HDD bracket [B].

    • When installing the enhanced security HDD on the bracket, make sure to pass the cables through the hole [A] of the HDD bracket.

  35. Install the HDD with the bracket [A] on the controller box [B].

  36. Reassemble the machine.

    • When reattaching the controller box [A], make sure to secure the harness and flat cable to the harness guides, as shown below.
    • When reattaching the bracket [A] of the controller box [B], do not interpose the harness and the flat cable between the bracket and the controller box.