Fujitsu S1100 Operator's Manual page 424

How to perform cleaning
1.
Unplug the USB cable from the ScanSnap.
2.
Open the top cover and the output guide.
3.
Clean the idler rollers and the glass with a cloth moistened with Cleaner
F1.
Do not use water or mild detergent to clean the inside of the ScanSnap.
It may take a long time for Cleaner F1 to dry if an excessive amount is used. Moisten
the cloth with moderate quantity.
Wipe off the cleaner completely to leave no residue on the cleaned parts.
Glass ( × 2)
Glass (× 2, one on the top cover and one on the opposite side)
Gently wipe the dirt and dust off the surface of the glass sections.
Idler roller (× 12, located on the top cover)
Gently wipe the dirt and dust off the rollers as you rotate them manually. Be careful
not to damage the surface of the rollers. Make sure that it is cleaned properly
because residue on the roller will affect the feeding performance.
Cleaning the Inside of the ScanSnap
Feed guide
424
Top cover
Output guide
Idler roller ( × 12)