Two-Factor Authentication Does Not Work for the ScanSnap Account
If you cannot use two-factor authentication to sign in with a ScanSnap account, check the following:
When you do not know the authentication code for two-factor authentication or the authentication code you used does not match
Start up the authentication application (Microsoft Authenticator) that is installed on the mobile device, and enter the displayed authentication code.
The notified authentication code is changed every 30 seconds. Enter the latest authentication code.
If you cannot use two-factor authentication because an authentication code is not obtained from the authentication application (Microsoft Authenticator) on the mobile device, you can disable the two-factor authentication in the following procedure:
Open the ScanSnap account management page.
Enter an e-mail address and a password for your ScanSnap account and click the [Sign in] button to display [Two-Factor Authentication].
Click [If you cannot obtain an authentication code, refer to this link.] to display [Disabling Two-Factor Authentication].
Enter the serial number for the ScanSnap (SER.NO.) or the license number and click the [Send] button.
When you cannot use the authentication application (Microsoft Authenticator) because you have lost the mobile device where the authentication application is installed or you have changed the device
Disable two-factor authentication and then enable the authentication again in the following procedure:
To enable two-factor authentication, use the authentication application (Microsoft Authenticator) that is installed on the new mobile device.
Open the ScanSnap account management page.
Enter an e-mail address and a password for your ScanSnap account and click the [Sign in] button to display [Two-Factor Authentication].
Click [If you cannot obtain an authentication code, refer to this link.] to display [Disabling Two-Factor Authentication].
Enter the serial number for the ScanSnap (SER.NO.) or the license number and click the [Send] button.