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Troubleshooting for a network interface
Problem overview:
If you want to connect the printer and your computer via a network, your computer needs to be connected to the network in advance. If there is no network interface connected to the local area network (Wi-Fi or Ethernet) on your computer, the “An interface error occurred.” screen is displayed. Follow the steps below to solve the problem.
Step 1
Check your computer network environment.
First, follow the steps below to check your computer's network status.
Windows
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For Windows 7/Vista: Select Start > Control Panel > View network status and tasks.
For Windows XP: Select start > Control Panel > Network and Internet Connections.
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For Windows 7/Vista: Click Change adapter settings (for 7) or Manage network connections (for Vista).
For Windows XP: Click Network Connections.
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Make sure that a network connection icon is displayed.
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Using the table below, check the network connection icon and continue with the appropriate solution.
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7/Vista
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XP
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Solution Type
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Icon
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Text
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Icon
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Text
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Wireless Network Connection
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Wireless Network Connection
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A
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Wireless Network Connection
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Wireless Network Connection
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B
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Local Area Connection
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Local Area Connection
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C
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Local Area Connection
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Local Area Connection
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D
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No Icons
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No Icons
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E
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Mac OS X
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Select System Preferences from the Apple Menu.
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Click the Network icon.
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Make sure that the AirPort or Ethernet icon is displayed.
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Search for your network icon and move on to the appropriate solution type.
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Icon
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Text
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Solution Type
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AirPort
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A
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AirPort
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B
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Ethernet
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C
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No Icons
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E
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Step 2
Perform the appropriate solution.
Solution Type
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Status
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Solutions
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A
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The computer has the hardware for making Wi-Fi network connections and it is enabled, but it is not connected to the network.
For Windows: The computer has the hardware for making Wi-Fi network connections, but it is not enabled using the button or switch on the computer.
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・ If a Wi-Fi network has already been set up using an access point, check that network devices such as a router or access point are turned on. After turning on the network devices, you need to wait a few minutes before the network operates correctly.
・ If you have not set up a Wi-Fi network using an access point, you can connect the printer and your computer wirelessly using Ad Hoc mode. You can also use Wi-Fi Direct Simple AP mode if your printer has a Wi-Fi Direct function. For more details on making an Ad Hoc mode connection or a Simple AP mode connection, see “Ad Hoc setup on the computer” (Ad Hoc mode) or “Wi-Fi Direct” (Simple AP mode) in the Network Guide.
・ For Windows: Enable the network interface. After enabling the network interface, you need to wait a few minutes before the network operates correctly.
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B
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The computer has the hardware for making Wi-Fi network connections, but it is not enabled.
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・ Activate the network status. After activating the network status, you need to wait a few minutes before the network operates correctly.
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C
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The computer has the hardware for making Ethernet network connections, but it is not connected to the network.
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・ If an Ethernet network has already been set up, check that the router or hub is turned on.
・ Check that the LAN cable is correctly connected to the router, hub, and computer.
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D
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The computer has the hardware for making Ethernet network connections, but it is not enabled.
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・ Activate the network status. After activating the network status, you need to wait a few minutes before the network operates correctly.
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E
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The hardware for Wi-Fi or Ethernet connections does not exist or cannot be recognized.
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・ If a network interface is attached to or built-in to the computer, make sure that the device is operating.
・ If a network interface is not attached to or built-in to the computer, you cannot use the printer via a network.
Select “USB Wired connection” and connect the printer and your computer via a USB cable.
If you want to use the printer via a Wi-Fi or Ethernet network, first set up a network for your computer, and then change the connection to network. (See the Network Guide for details.)
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If you do not know how to setup your computer or network interface, see your computer or network interface documentations.
Step 3
Check your network connection icon again.
If one of the following network connection icons is displayed, you can now connect the printer and your computer via a network.
Network
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Windows 7/Vista
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Windows XP
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Macintosh
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Wi-Fi
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Ethernet
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If your computer is connected directly to the Internet via a 3G network, and so on, without a router (or an access point) and there is another network interface available, you can connect the printer and your computer wirelessly using Ad Hoc mode. You can also use Wi-Fi Direct Simple AP mode if your printer has a Wi-Fi Direct function.
However, there are restrictions and notices that you need to be aware of.
For more details on making an Ad Hoc mode connection or a Simple AP mode connection, see “Ad Hoc setup on the computer” (Ad Hoc mode) or “Wi-Fi Direct” (Simple AP mode) in the Network Guide.
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