Fujitsu PA03586-B205 Operator's Manual page 347

5.
Rotate the pick roller bushing (left).
Pick roller
6.
Remove the pick roller with its shaft.
Slightly pull up the left part of the pick roller shaft (about 5 mm), move it towards the left
side, and then raise it to remove from the ScanSnap.
If the around the pick roller is dirty by paper-powder, it may cause a scanning error.
Remove the dirt using a dry cloth slightly moistened with Cleaner F1 in order to prevent
errors.
Do not use water, mild detergent, or air-spray.
Shaft
347
Replacing the Pick Roller
Bushing
Shaft
Pick roller