1. Remove the ADF unit. (ADF Unit)
  2. Remove the scanner front cover. (Scanner Front Cover)
  3. Remove the scanner upper cover [A].
  4. Move the scanner carriage to the right.

    • To move the carriage, hold the carriage belt and move it carefully.
    • Never hold the carriage itself.

  5. Remove the brackets [A][B].
  6. Remove the scanner HP sensor [B] while lifting up the bracket [A] slightly.