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Network Key (Password) Unknown

Use the IJ Network Device Setup Utility to diagnose and repair network status.

Select the link below to download IJ Network Device Setup Utility and install it.

See below for starting up IJ Network Device Setup Utility.

If the problem persists after diagnosis and repair with IJ Network Device Setup Utility, check the following items.

WPA/WPA2 or WEP Key Set for Wireless Router Unknown, Cannot Connect

For more on setting up a wireless router, see the instruction manual provided with the wireless router or contact its manufacturer. Make sure your computer can communicate with the wireless router.

Setting an Encryption Key

For more on setting up a wireless router, see the instruction manual provided with the wireless router or contact its manufacturer. Make sure your computer can communicate with the wireless router.

Selecting WPA, WPA2, or WPA/WPA2 is recommended for security reason. If your wireless router is compatible with WPA/WPA2, you can also use WPA2 or WPA.

  • Using WPA/WPA2 (Windows)

    The authentication method, Wi-Fi password, and dynamic encryption type must be identical among the wireless router, the printer, and your computer.

    Enter the Wi-Fi password configured on the wireless router.

    Either TKIP (basic encryption) or AES (secure encryption) is selected automatically as the dynamic encryption method.

    For details, see If WPA/WPA2 Details Screen Appears.

    Note

    • This printer supports WPA/WPA2-PSK (WPA/WPA2-Personal) and WPA2-PSK (WPA2-Personal).

  • Using WEP

    The length or format of the Wi-Fi password and authentication method must be identical among the wireless router, the printer, and your computer.

    To communicate with a wireless router that generates a password automatically, you must set the printer to use the password generated by the wireless router.

    • For Windows:

      When the WEP Details screen appears after you click Search... on the Network Settings (Wi-Fi) screen in IJ Network Device Setup Utility, follow the on-screen instructions to set the password length, format, and the password to use.

      For details, see If WEP Details Screen Appears.

    Note

    • If the printer is connected to an AirPort Base Station via LAN:

      If the printer is connected to an AirPort Base Station via a LAN, check the settings in Wireless Security of AirPort Utility.

      • Select 64 bit if WEP 40 bit is selected for password length in AirPort Base Station.
      • Select 1 for the password to use. Otherwise, computer will not be able to communicate with printer via the wireless router.