Troubleshooting Image Quality Problems
D158/D159/D160/D161/D170 5-4 SM
5. Mount the scanning guide plate, taking care not to damage the Mylar sheet [A].
6. Peel off the mylar from the DF exposure glass with your hands.
7. Use alcohol to clean the DF exposure glass [A].
To avoid paper jams, make sure adhesive is completely removed.