PT-D800W FAQs & Troubleshooting PT-D800W Not your product? Sort by Updated Date Popularity 3 Results 1. 22/10/2020 Wi-Fi® lamp is lit in green but the printer cannot communicate with other devices via a wireless LAN. 2. 24/03/2020 I cannot connect my machine to the wireless network. 3. 18/10/2019 I cannot establish a connection using Wireless Direct. Connecting to a Computer FAQs & Troubleshooting