"Failed to connect to the wireless router." Appears

1. Check 1 Check your wireless router's password, including case sensitivity.

   Network names (SSIDs) may differ between the 5 GHz and 2.4 GHz frequencies. They may also differ between when the security protocol is WPA3 and when none or WPA/WPA2 is set.

   If you still cannot connect even after entering the password correctly, write down or take note of the network name (SSID) described on the wireless router, and then check the name, including case sensitivity.

   • Check the SSID and Encryption Key of the Wireless Router Connected to Your Computer or Smartphone

   Check the above and tap OK, and then select No in the displayed screen.

   After that, return to the previous page, enter the correct password in the printer screen, and then tap OK.

 

When there is no problem with password

1. Check 2 Restart the printer, and then redo the connection.

   • Wi-Fi Connection

2. Check 3 Check the wireless router's settings.

   The printer does not support WEP, WPA-PSK (TKIP) and WPA2-PSK (TKIP). The security protocol such as WPA2-PSK (AES) or WPA3-SAE (AES) is recommended to be set to wireless router for security reasons.

   • Wireless Router Setting Issues

3. Check 4 Reset the error, and then redo the printer setup.