Samsung SF-530 Series User Manual page 133

5.6
Maintenance
4. Clean the ADF rubber piece.
5. Carefully wipe the scanning glass with a soft, dry cloth.
If the glass is very dirty, first wipe it with a slightly dampened cloth,
then with a dry cloth. Be very careful not to scratch the glass surface.
6. Replace the roller in reverse order, and then close the front panel
firmly until it clicks into place.