4. Wipe the only surface of the shading boards with a firmly wrung cloth moistened with water. Do not wipe the back side of the shading boards. Be careful not to bend the shading boards while doing this.
CAUTION
Wipe both the upper and lower shading boards. Do not spray water or detergent directly on the shading boards. Precision mechanisms, such as the light source, may be damaged.
5. Press the stop button.
The shading board goes back in.
6. Close the Upper unit slowly. Be sure that the Upper unit is completely closed by pushing on both edges with both hands until you hear a click.
IMPORTANT
Do not force the Upper unit to close. Doing so may damage the scanner.
66Regular Maintenance