The issue may be caused by the following:

1. Is the Roller Set dirty? (iX1600/iX1500/iX500)

2. Is the Roller Set installed correctly? (iX1600/iX1500/iX500)

3. Is the pad unit dirty? (iX1300)

4. Is the pick roller installed correctly? (iX1300)

5. Is the feed roller or eject roller dirty? (iX100)

6. Is there any foreign matter inside the ScanSnap? (iX1600/iX1500/iX1300/iX500/iX100)

7. Is the ADF top section completely closed? (iX1300)

Perform the following:

1. Clean the Roller Set.

   For details, refer to the following:

   iX1600/iX1500

   Cleaning the Inside of the ScanSnap (iX1600/iX1500/iX1300)

   iX500

   Cleaning the Inside of the ScanSnap (iX500)

2. Remove the Roller Set, and then install it again.

   For details, refer to the following:

   iX1600/iX1500

   Consumables (iX1600/iX1500)

   iX500

   Replacing Consumables (iX500)

3. Clean the pad unit.

   For details, refer to Cleaning the Inside of the ScanSnap (iX1600/iX1500/iX1300).

4. Remove the pick roller, and then install it again.

   For details, refer to Consumables (iX1300).

5. Clean the feed roller and the eject roller.

   For details, refer to Cleaning the Inside of the ScanSnap (iX100).

6. Perform the following:

   • Clear Any Foreign Matter from the Inside of iX1600/iX1500/iX500.

   • Clear Any Foreign Matter from the Inside of iX1300.

   • Clear Any Foreign Matter from the Inside of iX100.

7. Open the ADF top section and then close it again in the following procedure.

   1. Pull the ADF release tab towards you to open the ADF top section.

      
      
      

   2. Close the ADF top section together with the stacker until it locks into position, indicated by a clicking sound.

      
      
      

      When the ADF top section is closed, the sound of the roller rotating comes out. Load documents after the sound stops.