Are you in the region where ScanSnap account can be used?
When you establish a link with a cloud service by using ScanSnap Cloud, you need to sign in to ScanSnap account.
For regions that you can use a ScanSnap account, refer to here.
[Important Notice]
As of April 9, 2026, you must update to the latest firmware to use ScanSnap Cloud.
Note: For the iX1600/iX1500, you cannot update the firmware using the touch panel. Update the firmware using ScanSnap Home.