- Open the ADF.
Remove the entrance lower guide unit [A].
- Entrance lower guide unit for non-contact transport: the areas [A] are black.
- Entrance lower guide unit for contact transport (part number: D6833401): the areas [B] are clear and colorless.
Remove the scanning guide plate [A].
- Scanning guide plate for non-contact transport: the area [A] is black.
- Scanning guide plate for contact transport (part number: D6833350): the area [B] is white.
- Attach the scanning guide plate for contact transport [A].
- Attach the entrance lower guide unit for contact transport [B].
- Enter the SP mode, set "98" at SP4-688003 (Scan Image Density Adjustment 1-pass).