Documents Are Not Scanned
When documents are not scanned with the ScanSnap, check the following:
- When using a Wi-Fi connection
Are the ScanSnap and the computer successfully connected via Wi-Fi?
If the ScanSnap and the computer cannot be connected via Wi-Fi, refer to The ScanSnap and the Computer Cannot Be Connected via Wi-Fi.
Do you have access permission for the [tmp] folder on your computer? (Mac OS)
If you do not have read and write permissions for the [tmp] folder on your computer, you cannot scan documents.
Set read and write permissions for the [tmp] folder under the [private] folder on your computer.
Did you resume the computer from hibernation or sleep mode?
Scan documents after resuming the computer from sleep mode by either moving the mouse or pressing any key on the keyboard.
Is ScanSnap Home running? (Mac OS)
Click the [ScanSnap Home] icon 
in the application list that appears when you click Launchpad in the Dock to start up ScanSnap Home.
- When using a USB connection
Is the [Scan] button on the ScanSnap flashing?
Unplug the power cable from the computer and the ScanSnap, then plug it back in.
Make sure to leave at least 5 seconds between unplugging and plugging the cable.
Is the [Scan] button on the ScanSnap flashing?
Unplug the power cable from the computer and the ScanSnap, then plug it back in.
Make sure to leave at least 5 seconds between unplugging and plugging the cable.
Unplug the USB bus power cable from the computer and the ScanSnap, then plug it back in.
Make sure to leave at least 5 seconds between unplugging and plugging the cable.
Is the [Scan/Stop] button on the ScanSnap flashing?
Unplug the USB cable from the computer and the ScanSnap, then plug it back in.
Make sure to leave at least 5 seconds between plugging and unplugging the cable.
Is the power LED on the ScanSnap flashing?
Unplug the power cable from the computer and the ScanSnap, then plug it back in.
Make sure to leave at least 5 seconds between unplugging and plugging the cable.
Did you connect the ScanSnap to the computer before installing ScanSnap Home? (Windows)
Perform the following:
Open Device Manager.
For details about how to display Device Manager, refer to To Display the [Device Manager] Window.
Delete the device name (such as "USB device", which differs depending on the operating system) under [Other devices] in [Device Manager].
Disconnect the USB cable from the computer.
Restart the computer.
Connect the ScanSnap and a computer with a USB cable, and then try scanning again.
Do you have access permission for the [tmp] folder on your computer? (Mac OS)
If you do not have read and write permissions for the [tmp] folder on your computer, you cannot scan documents.
Set read and write permissions for the [tmp] folder under the [private] folder on your computer.
Are you using a USB hub?
If you are using a USB hub, connect the ScanSnap directly to the computer via a USB cable.
Did you resume the computer from hibernation or sleep mode?
Scan documents after resuming the computer from sleep mode by either moving the mouse or pressing any key on the keyboard.
Is there a USB device other than the ScanSnap operating?
Perform the following:
Disconnect other USB devices from the computer so that only the ScanSnap is connected.
Scan a document with the ScanSnap.
Connect the other USB devices to the computer again.
Is ScanSnap Home running? (Mac OS)
Click the [ScanSnap Home] icon in the application list that appears when you click Launchpad in the Dock to start up ScanSnap Home.
If the problem still persists, refer to Inquiries Regarding Problems with ScanSnap Home and contact the distributor/dealer where you purchased this product.