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Network Key (Password) Unknown

Note

  • Wi-Fi Connection Assistant allows you to diagnose and repair the network status. Download it from the web page.

If the problem persists after diagnosis and repair with Wi-Fi Connection Assistant, check the following items.

WPA/WPA2/WPA3 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 WPA2/WPA3 is recommended for security reason. If your wireless router is compatible with WPA2/WPA3, you can also use WPA2 or WPA3.

  • Using WPA/WPA2/WPA3 (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

    • 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 1 for the password to use. Otherwise, computer will not be able to communicate with printer via the wireless router.