The ScanSnap and the Computer Cannot Be Connected via Wi-Fi

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.

1. Press in the home screen on the touch panel of the ScanSnap to display the [Settings] screen.

2. Press to display the [Wi-Fi settings] screen.

3. Press [Wi-Fi information] to display the [ScanSnap information] screen.

4. 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.

HINT

• When using the ScanSnap iX1600 or ScanSnap iX1600 Receipt Edition, 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:

1. Press in the home screen on the touch panel of the ScanSnap to display the [Settings] screen.

2. Press to display the [Wi-Fi settings] screen.

3. Check that [Wi-Fi connect mode] is set to [Access point connection].

4. Press [Access point connection].

5. 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.

1. Close the ADF paper chute (cover) to turn off the ScanSnap.

   HINT

   • If the ADF paper chute (cover) is already closed, open the ADF paper chute (cover) and close it again to turn off the ScanSnap.

2. With the ScanSnap turned off, turn on the Wi-Fi switch that is at the back of the ScanSnap.

3. 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.

4. Open the screen 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.

 

Did you select the ScanSnap that you are using in the [Select a scanner] list in ScanSnap Home?

Make sure that the ScanSnap that you are using is selected in the [Select a scanner] list in the following procedure.

Is the connection to the ScanSnap blocked by a firewall?

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.

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:

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.