The ScanSnap You Want to Use Does Not Appear on the List/the ScanSnap You Want to Use Cannot Be Found
When the ScanSnap you want to use does not appear on the list of available ScanSnap units, check the following in number order: When the ScanSnap you want to use does not appear on the list of available ScanSnap units, 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.
- 1. Check the network
Is the ScanSnap connected to the wireless access point?
Run a diagnosis to check whether the ScanSnap is connected to a wireless access point, and take appropriate measures to solve the problem depending on the results of the diagnosis.
Check the following and take appropriate measures to solve the problem.
Press
in the home screen on the touch panel of the ScanSnap to display the [Settings] screen.
Press
to display the [Wi-Fi settings] screen.
Press [Wi-Fi information] to display the [ScanSnap information] screen.
In the [Wi-Fi] tab, press the [Diagnosis] button.
- When the "The connection with the access point is fine." message is displayed
The ScanSnap and a wireless access point are connected. Check the following:
- Is there a device with the same IP address on the network? Also, are there many network devices and computers connected to this network?
-
Change the IP address when it overlaps with another device.
Also, make more IP addresses available by turning off unused computers and network devices.
- Is an IP address set for the ScanSnap?
-
When the DHCP function is disabled on the wireless access point, enable DHCP first, then let the ScanSnap automatically configure an IP address again.
Or, configure an IP address for the ScanSnap manually.
For details about how to set an IP address for the ScanSnap, refer to Setting an IP Address for the ScanSnap.
If all IP addresses are already used for DHCP, specify a wider range for IP addresses to be used.
Or, make an IP address available by disconnecting an unused device from the network.
- When the error message is displayed
Follow the error message to solve the problem.
If the problem still persists, check the following:
- Is the wireless access point turned on?
-
Turn on the wireless access point.
Also check that there are no errors or malfunctions on the wireless access point.
For details about wireless access point errors, refer to the manual of your wireless access point.
HINTWhen using the ScanSnap iX1600, you can connect the ScanSnap and the computer or the mobile device via Wi-Fi in Direct Connect mode without a wireless access point.
When using the ScanSnap iX1500, you can connect the ScanSnap and the computer or the mobile device via Wi-Fi in Direct Connect mode without a wireless access point.
When using the ScanSnap iX1300, you can connect the ScanSnap and the computer or the mobile device via Wi-Fi in Direct Connect mode without a wireless access point.
When using the ScanSnap iX100, you can connect the ScanSnap and the computer or the mobile device via Wi-Fi in Direct Connect mode without a wireless access point.
For details, refer to Changing the Connection Method from Access Point Connection to Direct Connection.
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.
- Have you connected the ScanSnap to a wireless access point?
-
Connect the ScanSnap to a wireless access point in the following procedure:
Press
in the home screen on the touch panel of the ScanSnap to display the [Settings] screen.
Press
to display the [Wi-Fi settings] screen.
Check that [Wi-Fi connect mode] is set to [Access point connection].
Press [Access point connection].
Press [Access point connect settings] and connect the ScanSnap to a wireless access point by following the instructions shown on the screen.
Connect the ScanSnap to a wireless access point 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.
- Are the network name (SSID), security protocol (authentication method), encryption method, and security key configured correctly?
-
The settings for the ScanSnap such as the network name (SSID), security protocol (authentication method), encryption method, and security key need to match with the settings for the wireless access point.
Check the Wi-Fi settings for the ScanSnap, and configure again if necessary.
For details, refer to Checking the Wi-Fi Settings.
For details about how to check the Wi-Fi settings, 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.
Note that if you do not know the network name (SSID) or security key of the wireless access point, refer to the manuals of the wireless access point, or contact the manufacturer.
If the security protocol for the network name (SSID) is "WPA3", the ScanSnap cannot be connected. Connect the ScanSnap to the wireless access point using "WPA2" as the security protocol.
Ask the manufacturer of the wireless access point whether the security protocol is "WPA2".
- Are the ScanSnap and wireless access point distant from each other? Also, is there anything that may block the signal (such as walls and metal boards), or an electromagnetic source?
-
The signal between the wireless access point and the ScanSnap is weak, or there may be some signal interference.
On the touch panel of the ScanSnap, check the signal status with the icon that is displayed at the top of the home screen.
Icon
Signal Status
Signal strength: Strong
Signal strength: Medium
Signal strength: Weak
No signal
Searching for a wireless access point/No wireless access point specified
Check the signal status 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.
If the signal status is not fine, move the ScanSnap and the wireless access point to different locations.
Move the ScanSnap closer to the wireless access point.
Move the ScanSnap and the wireless access point away from the following items:
- Obstacles that may block the signal (for example, walls and metal boards)
- Devices that may cause signal interference (for example, microwaves and cordless phones) and wireless devices
Change the direction of the ScanSnap.
HINT-
Even if the signal status is fine, communication within the range of a certain frequency or in certain wireless channels may become unstable due to signal interference such as noise.
When you are in a region where 5 GHz Wi-Fi is available, do not select [Automatic] for the frequency in order to connect the ScanSnap. Select [2.4GHz] or [5GHz] depending on where you use the ScanSnap.
For details, refer to Changing the Frequency for Connecting the ScanSnap.
Change the value of the wireless channel on the wireless access point if necessary.
For details, refer to the manual of your wireless access point.
Also, communication in certain wireless channels may become unstable due to signal interference such as noise.
Change the value of the wireless channel on the wireless access point.
Are the ScanSnap and the computer communicating via the network?
Check whether the ScanSnap and the computer are able to communicate via the network by using the PING command. For details about the checking method, refer to Checking the Communication Status by Using the PING Command.
- When they are able to communicate via the network
Proceed to the next check item after "Are the ScanSnap and the computer communicating via the network?".
- When they are not able to communicate via the network
-
Check the following items:
- Have you configured any communication authorization settings on the wireless access point?
-
If the settings are configured in the ways below on the wireless access point, follow the solutions accordingly.
Communication between wireless devices is disabled (for example, because of a privacy separator function or a port separator function)
Enable communication between wireless devices on the wireless access point.
When the SSID broadcast, such as ANY connection, is disabled
Enable the SSID broadcast on the wireless access point. Otherwise, configure the Wi-Fi settings manually.
When the protocol filter function is configured
Configure the protocol on the wireless access point.
When the stealth function is configured
Disable the stealth function, and then configure the Wi-Fi settings again using the WPS function. Otherwise, configure the Wi-Fi settings manually.
When MAC address filtering is configured
Set the MAC address for the ScanSnap on the wireless access point, and then configure the Wi-Fi settings again.
In addition, the set channel may be used with another wireless access point.
In this case, change the value of the wireless channel on the wireless access point.
For details about the settings of the wireless access point, refer to your wireless access point manual.
- Are you using a public wireless LAN service?
-
In a public wireless LAN environment, the ScanSnap cannot be connected from a computer or a mobile device because the privacy separator function is usually set to enabled.
Use the ScanSnap in Direct Connect mode without a wireless access point.
For details, refer to Changing the Connection Method from Access Point Connection to Direct Connection.
Temporarily connect the ScanSnap in Direct Connect mode without a wireless access point in the following procedure.
-
Close the ADF paper chute (cover) to turn off the ScanSnap.
HINTIf the ADF paper chute (cover) is already closed, open the ADF paper chute (cover) and close it again to turn off the ScanSnap.
With the ScanSnap turned off, turn on the Wi-Fi switch that is at the back of the ScanSnap.
While holding down the WPS button, open the ADF paper chute (cover) to turn the power on. At this point, press the WPS button for more than 3 seconds until the Wi-Fi indicator flashes in green.
When the Wi-Fi connect mode is changed to the Direct Connection mode, the Wi-Fi indicator lights up in orange.
Open the window for setting the Wi-Fi function on the computer, and enter the ScanSnap network name (SSID) and security key.
The default ScanSnap network name (SSID) and security key are on the bottom of the ScanSnap.
When the ScanSnap is connected with a computer directly by a direct connection, the Wi-Fi indicator lights up in green.
Connect the ScanSnap to a network other than a public wireless LAN.
If you connect the ScanSnap to a public wireless LAN by mistake, the ScanSnap cannot be used in Direct Connect mode in the environment. Perform one of the following:
Delete unnecessary wireless access points by using ScanSnap Wireless Setup Tool.
Switch to the Direct Connect mode manually.
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.
-
- 2. Check the computer
Is the connection to the ScanSnap blocked by a firewall?
Perform one of the following:
When a connection to ScanSnap Home is blocked by Windows Firewall
Allow a connection with the port numbers that are used with ScanSnap Home in the Windows Firewall settings.
For details, refer to To Allow Connection with Port Numbers in the Firewall Settings.
When the network connection for "ScanSnap Home" is blocked by security software
Check the firewall settings of your security software.
For details about configuring the firewall settings (such as registering firewall exceptions), refer to your security software manual or Help.
If a firewall is enabled, the connection to the ScanSnap may be blocked.
Check the firewall settings.
Is a folder which ScanSnap Home uses being monitored by security software? (Windows)
If you use security software, configure the settings so that the following files and folders are not monitored.
- Files which should not be monitored by security software
-
PfuSsMon.exe
PfuSshImgProc.exe
PfuSshImgMonitor.exe
SshRegister.exe
- Folders which should not be monitored by security software
-
C:\Users\<UserName>\AppData\Local\Temp\ScanSnap Home
C:\Users\<UserName>\AppData\Local\Temp\MULTIPROCESSTEMP
C:\Users\<UserName>\AppData\Local\Temp\SSRawData
C:\Program Files\PFU\ScanSnap\Home (32-bit operating system)
C:\Program Files (x86)\PFU\ScanSnap\Home (64-bit operating system)
For details about how to configure the security software settings, refer to the manual of the security software that you are using.
Is the specified receiving port number used by another application?
If the specified receiving port number is used by another application, ScanSnap Home cannot receive the information that the ScanSnap is turned on.
Change the port number in the following procedure:
-
Display the main window of ScanSnap Home.
For details, refer to To Display the Main Window.
-
Select [Settings] in the menu → [Preferences] to display the preferences window.
Select the ScanSnap that you are using from the list of ScanSnap units that is located in [Scanner information] in the [Scanner] tab.
HINTThe [Scanner] tab can be displayed from the ScanSnap Home menu which appears when you right-click the ScanSnap Home icon in the notification area of the taskbar.
For details about ScanSnap Home menus, refer to Icon (Indicator for ScanSnap Connection Status) and Menus.
Change the port number for [Port number for startup notice] in [Network settings].
If you change the port number for the startup notice, you also need to change the sending port number for the ScanSnap.
Press
in the home screen on the touch panel of the ScanSnap to display the [Settings] screen.
Press
to display the [Wi-Fi settings] screen.
Press [Port number for startup notice].
Change the port number for [Port Number].
If you change the port number for the startup notice, you also need to change the sending port number for the ScanSnap.
For details about how to change the sending port number for the ScanSnap, 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.
-
Display the main window of ScanSnap Home.
Click the [ScanSnap Home] icon
in the application list that appears when you click Launchpad in the Dock.
-
Select [ScanSnap Home] on the menu bar → [Preferences] to display the preferences window.
Select the ScanSnap that you are using from the list of ScanSnap units that is located in [Scanner information] in the [Scanner] tab.
HINTThe [Scanner] tab can be displayed from the ScanSnap Home menu which appears when you click the ScanSnap Home icon in the menu bar.
For details about ScanSnap Home menus, refer to Icon (Indicator for ScanSnap Connection Status) and Menus.
Change the port number for [Port number for startup notice] in [Network settings].
If you change the port number for the startup notice, you also need to change the sending port number for the ScanSnap.
Press
in the home screen on the touch panel of the ScanSnap to display the [Settings] screen.
Press
to display the [Wi-Fi settings] screen.
Press [Port number for startup notice].
Change the port number for [Port Number].
If you change the port number for the startup notice, you also need to change the sending port number for the ScanSnap.
For details about how to change the sending port number for the ScanSnap, 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.
- 3. Check other possible causes
Connect the ScanSnap and the computer or mobile device to the same network, or specify the IP address of the ScanSnap directly.
If the ScanSnap that you want to use and the computer or mobile device are connected to different networks, the ScanSnap does not appear on the list.
Check that the ScanSnap and the computer or mobile device are connected to the same network. If the ScanSnap is connected to a different network from the computer or mobile device, connect it to the same network.
How to check and change the network that the ScanSnap is connected to
For details about how to check the network, refer to Checking the Wi-Fi Settings.
For details about how to change the network, refer to Reconnecting the ScanSnap to Another Wireless Access Point.
How to check and change the network that the computer or mobile device is connected to
Refer to the manual of your computer or mobile device.
Connect the ScanSnap to a wireless access point 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.
Even if the ScanSnap and a computer or mobile device are not connected to the same network, you can connect them by specifying the IP address of the ScanSnap directly.
For details, refer to Reconnecting the ScanSnap and a Computer by Specifying the IP Address of the ScanSnap.
For details, refer to Reconnecting the ScanSnap and a Computer by Specifying the IP Address of the ScanSnap.
If you use ScanSnap Connect Application, refer to the Basic Operation Guide (Mobile Connection) and connect the ScanSnap and a computer or mobile device by specifying the IP address of the ScanSnap directly.
To display the Basic Operation Guide (Mobile Connection) on your mobile device, tap the [
] button (iOS)/
(Android) → the [Help] button in the [File List] screen of ScanSnap Connect Application.
Are there network security restrictions?
Contact the network administrator.
Contact your network administrator if IEEE 802.1X authentication is used.
Check the following with your network administrator:
Whether the Wi-Fi settings are the same as the settings on the authentication server
Whether the network environment for the authentication server is normal
Whether the authentication server and the wireless access point are connected correctly
Whether the certificate is valid
Example: Whether the certificate has not been revoked or has not been expired
Whether the CN (CommonName) for the certificate is within 64 bytes if [EAP-TLS] is selected for the authentication method.
- When connecting with a mobile device, check the following:
Are the mobile device and wireless access point distant from each other? Also, is there anything that may block the signal (for example, walls and metal boards), or an electromagnetic source?
Move the mobile device closer to the wireless access point.
Move the ScanSnap and the wireless access point away from the following items:
Obstacles that may block the signal (for example, walls and metal boards)
Devices that may cause signal interference (for example, microwaves and cordless phones) and wireless devices
Are there any errors with the mobile device or in ScanSnap Connect Application?
Refer to the windows or manual of the mobile device or ScanSnap Connect Application, and take measures accordingly.
- When setting with Mac OS, check the following:
Is the computer connected to the network via a LAN cable? (Mac OS)
Change the settings on the computer so that the Wi-Fi connection is given priority over the cable LAN connection in the following procedure:
Select [System Settings] from the Apple (
) menu to display the system settings window.
Select [Network] to display the [Network] window.
Click
and select [Set Service Order] from the menu that appears.
In [Service Order], drag [Wi-Fi] and drop it above [Ethernet].
Click the [OK] button.
Click
at the top of the window to close the [Network] window.
Even if the ScanSnap and a computer cannot be connected properly via Wi-Fi, they may be able to connected with the USB cable.
Connect the scanner and computer by using the USB cable if you are in the environment in which the USB cable can be used.