Fujitsu ScanSnap S300 Operator's Manual page 217

6. Remove the pick roller from its shaft.
Pull out the shaft from the pick roller while lifting up its tab.
Shaft
If you push up the pick roller tab using your fingernail, your fingernail may be
ATTENTION
hurt or get chipped. If you cannot push it up successfully with your fingernail,
use a paper clip to push up the pick roller tab.
7. Attach the new pick roller to the shaft.
Insert the shaft aligning the protrusion with the slot on the new pick roller.
Shaft
Tab
Protrusion
ScanSnap S300 Operator's Guide
9.3 Replacing the Pick Roller
Pick roller
Pick roller
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