1. Remove the DF unit. (Document Feeder)
  2. Remove the scanner top cover. (Scanner Top Cover (Left Scale, Top Scale, Exposure Glass, Sheet-through Glass))
  3. Move the carriage to the center.
    When moving the carriage, hold the guide rod bushing [A] to move it.

  4. Remove the FFC holder [A].

  5. Remove the FFC [A].

  6. Lift up the CIS unit [A] as shown in the photo below.

  7. Remove the hinge with the CIS unit lifted up, and then remove the CIS unit [A].

    Make sure not to bend the leaf springs [A] attached to the carriage.