QL-820NWB/820NWBc FAQs & Troubleshooting QL-820NWB/820NWBc Not your product? Sort by Updated Date Popularity 2 Results 1. 11/28/2022 I cannot connect my printer to the wireless network with WPS when using WPA3. 2. 10/22/2020 Wi-Fi® LED is lit in blue (QL-810W) or WLAN icon appears on the LCD (QL-820NWB) but the printer cannot communicate with other devices via Wi-Fi. Connecting to a Computer FAQs & Troubleshooting