Epson DS-790WN Administrator's Manual page 32

Network Settings
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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 Settings > Network Status > Wired LAN/Wi-Fi Status.
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 34
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.
13. Connect the Ethernet cables that you removed in step 1 to the computer and the scanner.
If the problem still occurs, devices other than the scanner may be causing the problem.
The scanner is off.
Solutions
Make sure the scanner is turned on.
Also, wait until the status light stops flashing indicating that the scanner is ready to scan.
Solving Problems
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