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