A Scan Cannot Be Performed Because an Orange Exclamation Mark Appears on the [Scan] Button
If an orange exclamation mark is appears on the [Scan] button on the touch panel of the ScanSnap or in the scan window of ScanSnap Home, check the following. If an orange exclamation mark appears on the [Scan] button in the scan window of ScanSnap Home, check the following.
When you click 
which appears on the [Scan] button, an error message is displayed. Check the message and take measures to solve the problem.
When the message "The device is not responding." is displayed
For the solutions, refer to A "The device is not responding." Message Is Displayed.
When the message "The ScanSnap cannot connect to ScanSnap Cloud via the network." is displayed
Take the following measures and check if the problem is solved.
Updating ScanSnap Firmware
Refer to the following and update the firmware of the ScanSnap.
When using ScanSnap Home
When using ScanSnap Home for iOS/Android
Refer to Updating the Firmware in ScanSnap Home and update the firmware.
Set a proxy server for the ScanSnap
If you connect to the Internet via a proxy server, set a proxy server for the ScanSnap. For details, refer to Using a Proxy Server for the Internet Connection.
Check whether the ScanSnap is connected to a wireless access point
If the ScanSnap is not connected to a wireless access point properly, refer to The ScanSnap and the Computer Cannot Be Connected via Wi-Fi and take measures accordingly.
Change the Wi-Fi settings to obtain an IP address automatically
If a static IP address is set to the ScanSnap ,change the settings to obtain an IP address automatically by using ScanSnap Wireless Setup Tool.
For details, refer to the ScanSnap Wireless Setup Tool Help.
For details about how to start ScanSnap Wireless Setup Tool, refer to Configuring the Wi-Fi Settings.
Set a DNS server for the ScanSnap or change the Wi-Fi settings to obtain an IP address automatically
If a static IP address is set for the ScanSnap, set a DNS server instead. Or, change Wi-Fi settings to obtain an IP address automatically
For details, refer to the following:
To set the DNS server
To change the settings to obtain an IP address automatically
Change the settings of the wireless access point so that the 2.4 GHz SSID is used
If there are two types of SSID (2.4 GHz and 5 GHz), the 2.4 GHz SSID needs to be used.
Change the settings of the wireless access point so that the 2.4 GHz SSID is used.
When the message "Failed to access ScanSnap Cloud." is displayed
When a message is displayed on the touch panel of the ScanSnap, refer to A "Failed to access ScanSnap Cloud." Message Is Displayed on the Touch Panel to take measures accordingly.
If a message is displayed when you use the scanner to perform a scan from the scan window of ScanSnap Home, take the following measures and check if the problem is solved.
Take the following measures and check if the problem is solved.
Updating ScanSnap Firmware
Refer to the following and update the firmware of the ScanSnap.
When using ScanSnap Home
When using ScanSnap Home for iOS/Android
Refer to Updating the Firmware in ScanSnap Home and update the firmware.
Check whether the ScanSnap is connected to a wireless access point
If the ScanSnap is not connected to a wireless access point properly, refer to The ScanSnap and the Computer Cannot Be Connected via Wi-Fi and take measures accordingly.
Check whether you have signed in with a ScanSnap account.
To use ScanSnap Cloud, you need to sign in to the ScanSnap Cloud service with a ScanSnap account.
For details, refer to Signing in to the ScanSnap Cloud service with a ScanSnap account.
Turn off the ScanSnap
Close the ADF paper chute (cover) to turn off the ScanSnap and then open the ADF paper chute (cover) to turn it back on, and check if the problem is solved.
Close the ADF paper chute (cover) to turn off the ScanSnap, and hold the right side of the ADF paper chute (cover) and open it to turn the power back on, and then check if the problem is solved.
Close the feed guide to turn off the ScanSnap and then open the feed guide to turn it back on, and check if the problem is solved.
Connect the ScanSnap to the ScanSnap Cloud server by using the ScanSnap Cloud application which is installed on a mobile device
Use the ScanSnap Cloud application to register the ScanSnap to ScanSnap Cloud.
For details about how to set up and operate ScanSnap Cloud, refer to the ScanSnap Cloud Help.
When the message "ScanSnap Cloud cannot be accessed. The E-mail address and password for the ScanSnap account are required." is displayed
Enter an e-mail address and password for a ScanSnap account.
The e-mail address and password fields are case sensitive. They need to be entered accurately.
If the problem still persists even though you enter the correct E-mail address and password, refer to The ScanSnap Is Not Connected to the Network (When Using ScanSnap Cloud) to take measures accordingly.
When a message other than the messages above is displayed
Follow the message to solve the problem.