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.
Checking Printer Connection Status Using IJ Network Device Setup Utility
See below for starting up IJ Network Device Setup Utility.
• For Windows:
Starting Up IJ Network Device Setup Utility
• For macOS:
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
Setting an Encryption Key
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.
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