Network Key (Password) UnknownUse 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 UtilitySee 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 UtilityIf the problem persists after diagnosis and repair with IJ Network Device Setup Utility, check the followingitems.WPA/WPA2 or WEP Key Set for Wireless Router Unknown, Cannot ConnectSetting an Encryption KeyWPA/WPA2 or WEP Key Set for Wireless Router Unknown, CannotConnectFor more on setting up a wireless router, see the instruction manual provided with the wireless router orcontact its manufacturer. Make sure your computer can communicate with the wireless router.Setting an Encryption KeyFor more on setting up a wireless router, see the instruction manual provided with the wireless router orcontact 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 iscompatible 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 amongthe wireless router, the printer, and your computer.Enter the Wi-Fi password configured on the wireless router.339