Network Key (Password) Unknown
Diagnose and repair the network connections using Wi-Fi Connection Assistant.
Download Wi-Fi Connection Assistant from the below page, and install it on your computer.
Checking Printer Connection Status Using Wi-Fi Connection Assistant
Refer to below in regard to starting up Wi-Fi Connection Assistant.
•
• For Windows:
Starting Up Wi-Fi Connection Assistant
•
• For macOS:
Starting Up Wi-Fi Connection Assistant
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
Setting an Encryption Key
WPA/WPA2/WPA3 Key Set for wireless router Unknown, Cannot
Connect
Check the wireless router settings. 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
Select the encryption containing WPA2.
Note
• The factory default of wireless router supporting WPA3 may be set to WPA3.
Make sure your computer can communicate with the wireless router using the settings you have selected.
For more on setting up a wireless router, see the instruction manual provided with the wireless router or
contact its manufacturer.
•
• Using 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.
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