Cannot Connect the Scanner and a Computer via a Wired LAN

Check the following points

If the problem persists, check the items in Before You Contact the Scanner Service Provider first, then contact the distributor/dealer where you purchased this product. Refer to the contact information in the Contact List if supplied with this product, or refer to the contact information in the Contact for Inquiries section if provided in Safety Precautions supplied with this product, and then make an inquiry.

Is the scanner connected to a network device (such as a switch, a hub, or a router) via a LAN cable?

Solution

Connect the scanner to a network device (such as a switch, a hub, or a router) via a LAN cable. Also, connect the LAN cable properly.

When the LAN cable is connected properly, take the following measures:

Replace the LAN cable.
Change the port on the network device, which the LAN cable is connected to.
Change the transmission method for the network device to "full-duplex" or "half-duplex".

Is [Wired LAN] selected for the connection setting?

Solution

Check the connection method in the following procedure:

On the touch screen, press → [Scanner Settings] → [How to connect].
On the [How to connect] screen, check that [Wired LAN] is selected.

Is the network device (such as a switch, a hub, or a router) turned on?

Solution

Turn on the network device (such as a switch, a hub, or a router).

Also, check that there is no error or malfunction on the network device.

For errors that occur on the network device, refer to the manual of your network device.

Is the firmware version for the network device the latest?

Solution

If the firmware version for the network device is not the latest, unexpected operations may occur.

Contact the network administrator to check the firmware version, and consider updating it to the latest version.

For details about how to update the firmware for the network device, refer to the manual of your network device.

Is the computer connected to a network device (such as a switch, a hub, or a router)?

Solution

Connect the computer to a network device (such as a switch, a hub, or a router).

For details, refer to the manual of your computer.

Did you configure the settings related to communication conditions on a network device (such as a switch, a hub, or a router)?

Solution

When the following are set on the network device (such as a switch, a hub, or a router), take measures accordingly.

Protocol filter function is enabled.

Allow the protocol which is to be used for communication.
MAC address filtering is enabled.

Configure the network device (such as a switch, a hub, or a router) with the MAC address of the scanner.

For the settings on the network device, refer to the manual of your network device.

Are there any security limitations in the network?

Solution

The access limitations for users may be configured in the network.

For details, contact the network administrator.

Is the network stable?

Solution

Connect to the network after it becomes stable.

A network can be unstable by the following events:

A network monitoring program is running.
A file is transferring.

If the network is unstable, restart the network devices. However, before restarting them, make sure that communications with other devices are not affected if the network devices are restarted. The network devices may become unstable.

Are there any security restrictions on the computer?

Solution

In the Windows Firewall settings or in the firewall settings of your security software, unblock the communication of the port numbers which are used by the following software.

Scanner Selection Tool for fi Series

Port number: 52217
Button Event Manager for fi Series

Port number: 53218

For details about unblocking the communication, refer to the manual or help of your computer or security software.

Is the computer connected to a wired LAN?

Solution

Check the connection status of the computer in the following procedure:

On the touch screen, press → [Scanner Settings] → [Network] → [Check connection (Ping)].
In the [Check connection (Ping)] screen, enter the host name or the IP address of the computer, and press the [Run] button.

The result is displayed.

Refer to Connection Test Result and take measures accordingly.

Is the scanner connected to another computer?

Solution: The scanner can be connected to only one computer at a time. Wait until the other computer is disconnected from the scanner, and then connect the computer to be used again.

Is the scanner's IP address correct?

Solution

Check the scanner's IP address in the following procedure:

On the touch screen, press → [Scanner Settings] → [Network] → [Wired LAN] → [IP Address].
On the [IP Address] screen, check the setting items.

When specifying an IP address manually, specify the correct IP address.

When setting the IP address automatically, check whether the DHCP server functions normally.

Even when the DHCP server functions normally, an IP address may not be assigned correctly depending on the settings for the DHCP server. Check the operation status and the settings for the DHCP server.

Is the IP address of the scanner used for other communication devices?

Solution: If there are multiple communication devices using the same IP address on the same network, communication may fail. Avoid duplicates in IP addresses.

Is the DNS server information configured correctly?

Solution

Check the DNS server settings for the scanner in the following procedure:

On the touch screen, press → [Scanner Settings] → [Network] → [Wired LAN] → [DNS Server].
On the [DNS Server] screen, check the setting items for the following.
- Whether the DNS server settings is enabled
- Whether the primary DNS and secondary DNS settings are correct

Does the DNS server function normally?

Solution

Check whether the DNS server functions normally by following the procedure below.

On the touch screen, press → [Scanner Settings] → [Network] → [Check connection (Ping)].
In the [Check connection (Ping)] screen, enter the IP address of the DNS server, and press the [Run] button.

The result is displayed.

Refer to Connection Test Result and take measures accordingly.

If the DNS server does not function normally, contact the DNS server administrator.

Did you perform a search using the scanner name (host name) and select the scanner in Scanner Selection Tool for fi Series?

Solution

Make sure that the scanner is connected to the network and that the IP address displayed on the window of Scanner Selection Tool for fi Series is correct by following the procedure below.

Start up the command prompt on the computer where you ran Scanner Selection Tool for fi Series.

For example, in Windows 10, you can start up the command prompt by clicking [Start] menu → [Windows System] → [Command Prompt].
Execute the following command.
```
ping ScannerName
```
In either of the following cases, turn the scanner off then back on.
- There is no response.
- The IP address that is returned is different from the IP address displayed on the window of Scanner Selection Tool for fi Series.