Epson DS-790WN User Manual page 204

Solving Problems
There is a problem with the network settings on the computer.
Solutions
Try accessing any website from your computer to make sure that your computer's network settings are
correct. If you cannot access any website, there is a problem on the computer.
Check the network connection of the computer. See the documentation provided with the computer for
details.
The scanner has been connected by Ethernet using devices that support IEEE802.3az
(Energy Efficient Ethernet).
Solutions
When you connect the scanner by Ethernet using devices that support IEEE802.3az (Energy Efficient
Ethernet), the following problems may occur depending on the hub or router that you are using.
❏ Connection becomes unstable, the scanner is connected and disconnected again and again.
❏ Cannot connect to the scanner.
❏ The communication speed becomes slow.
Follow the steps below to disable IEEE802.3az for the scanner and then connect.
1. Remove the Ethernet cable connected to the computer and the scanner.
2. When IEEE802.3az for the computer is enabled, disable it.
See the documentation provided with the computer for details.
3. Connect the computer and the scanner with an Ethernet cable directly.
4. On the scanner, check the network settings.
Select Settings > Network Status > IP Address.
5. Check the scanner's IP address.
6. On the computer, access Web Config.
Launch a Web browser, and then enter the scanner's IP address.
"Running Web Config on a Web Browser" on page 29
7. Select the Network tab > Wired LAN.
8. Select OFF for IEEE 802.3az.
9. Click Next.
10. Click OK.
11. Remove the Ethernet cable connected to the computer and the scanner.
12. If you disabled IEEE802.3az for the computer in step 2, enable it.
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Problems Starting Scanning
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Cannot Start Scanning from Computer
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