First of all, you have to remove the FFCs on the controller board.

  1. Remove the rear cover. (Rear Cover - MF Models)
  2. Remove the controller box cover [A].

  3. Grip both ends of the rear top cover [A], and lift it off its hinges.

  4. Remove the scanner rear left cover [A] while pressing down strongly with your thumb on the blue circle area.

  5. Disconnect the two FFCs on the controller board.
    [A]: Scanner FFC, [B]: DF FFC

  6. Release the FFCs from the harness guide.

  7. Remove the ferrite cores [A].