There is a problem with the network settings on the computer or smart device.
Solutions
Try accessing any website from your computer or smart device to make sure that your device's network
settings are correct. If you cannot access any websites, there is a problem on the computer or smart
device.
Check the network connection for the computer or smart device. See the documentation provided with
the computer or smart device for details.
The printer has been connected by Ethernet using devices that support IEEE802.3az (Energy
Ecient Ethernet).
Solutions
When you connect the printer by Ethernet using devices that support IEEE802.3az (Energy Ecient
Ethernet), the following problems may occur depending on the hub or router that you are using.
❏ Connection becomes unstable, the printer is connected and disconnected again and again.
❏ Cannot connect to the printer.
❏ e communication speed becomes slow.
Follow the steps below to disable IEEE802.3az for the printer and then connect.
1. Remove the Ethernet cable connected to the computer and the printer.
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 printer with an Ethernet cable directly.
4. On the printer, print a network connection report.
“Checking the Printer's Network Connection Status (Network Connection Report)” on page 122
5. Check the printer's IP address on the network connection report.
6.
On the computer, access Web
Cong
.
7. Select Log in and enter the administrator password.
Launch a Web browser, and then enter the printer's IP address.
“Application for Conguring Printer Operations (Web Cong)” on page 210
8. Select Network Settings > Wired LAN.
9. Select OFF for IEEE 802.3az.
10. Click Next.
11.
Click OK.
12. Remove the Ethernet cable connected to the computer and the printer.
13. If you disabled IEEE802.3az for the computer in step 2, enable it.
Solving Problems
>
Cannot Print, Scan, or Fax
>
The Printer Cannot Connect to the Network
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