Error in optical system. Turn the ScanSnap off then back on, and try again.

Cause

The light intensity of the lamp inside iX1600, iX1500, iX500, or iX100 is extremely low. It may be caused by contamination of the glass inside iX1600, iX1500, iX500, or iX100, a dead lamp, or a failure of iX1600, iX1500, iX500, or iX100.

Solution

Open the ADF top section of iX1600, iX1500 or iX500 or the top cover of iX100 to remove the document inside.

Turn iX1600, iX1500, iX500, or iX100 back on.

Clean the glass inside iX1600, iX1500, iX500, or iX100 if it is dirty.