● Is the scanner's IP address correct?
Solution
Check the scanner's IP address in the following procedure:
1 On the touch screen, press → [Scanner Settings] → [Network] → [Wired LAN] →
[IP Address].
2 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:
1 On the touch screen, press
→ [Scanner Settings] → [Network] → [Wired LAN] →
[DNS Server].
2 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.
1 On the touch screen, press → [Scanner Settings] → [Network] → [Check connection (Ping)].
2 In the [Check connection (Ping)] screen, enter the IP address of the DNS server, and press the
[Run] button.
The result is displayed.
Troubleshooting
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