Fujitsu ScanSnap iX1600 Basic Operation Manual page 477

ATTENTION
Lifting the retaining clip with your fingernail may hurt or damage your fingernail.
Use a paper clip or something alike if you have trouble lifting it up.
8.
Attach the new pick roller assembly to the shaft.
Insert the drive pin of the shaft into the slot of the pick roller assembly.
Drive Pin
9.
Attach the shaft to the ScanSnap.
Insert the right end of the shaft into the bushing on the right side, and then slowly attach the left
end of the shaft into place.
10.
Secure the bushing on the left.
Pick Roller Assembly
Shaft
Pick Roller Assembly
Shaft
477
Replacing Consumables for S1300i