1. Remove the following covers.
  2. Remove the ground screw from the left side of the machine.
  3. Open the transparent film [A]. (hook×2)
  4. Disconnect two connectors, and then release them from the harness guide [A].
  5. Open the rear upper cover [A].
  6. Release the left hinge [A] of the rear upper cover [B] by slightly bending the rear upper cover inward.
  7. Remove the rear upper cover [A] by sliding it to the left.

    • When removing the rear upper cover, release the harness [A] from the mainframe.