1. Open the SPDF.

  2. Remove the lower entrance guide unit [A]. (×2)

    • The part below the contactless lower entrance guide unit is black [A].
    • The part below the contact lower entrance guide unit is colorless and transparent [B].

  3. Remove the document reader guide plate [A]. (×1)

    • The part below the contactless document reader guide plate is gray [A].
    • The part below the contact document reader guide plate is white [B].

     

  4. Attach the contact document reader guide plate [A].
  5. Attach the contact lower entrance guide unit [B]. (×2)
  6. Enter SP mode, and then change the Scan Image Density Adjustment (SP4-688-002) from [103] to [96].