1. Remove the screw covers [A] and arm upper cover [B].
  2. Remove the operation panel rear lower cover [A] and operation panel rear upper cover [B].
  3. Remove the fixing screws of the operation panel [A], and then release the clamps.
  4. Remove the operation panel [A] from the hooks of the operation panel arm [B], and then place the operation panel on the upper front cover of the main machine with the LCD facing down.
  5. Turn the arm bracket [A] over as shown below.
  6. Remove the ground cable [A].
  7. Remove the harnesses [B] and [C].
  8. Remove the harness from the cut-out [A] of the arm bracket, and then remove the arm bracket [B].

  9. Make sure that DIP switches 3 and 7 of the operation panel [A] are set to ON.

    If the DIP switch setting is not correct, the machine will issue SC672.

  10. Remove the rear middle cover. (Rear Middle Cover)

  11. Remove the controller box cover [A].

  12. Make sure that all the DIP switches [B] on the controller board [A] are set to OFF.

  13. Attach the controller box cover and rear middle cover.
  14. After replacing the operation panel, make sure that the latest version of the Smart Operation Panel firmware has been installed. For details, refer to "Updating the Smart Operation Panel" in the Smart Operation Panel manual.