RJ-2150 FAQs & Troubleshooting RJ-2150 Not your product? Sort by Updated Date Popularity 3 Results 1. 11/10/2016 The LED indicator or the LCD is not lit. 2. 11/10/2016 What do the indicator lights mean? 3. 15/09/2016 The WLAN icon appears on the LCD, but the printer cannot communicate with other devices via a wireless LAN. More FAQs (English only) Error Messages/LED Indications FAQs & Troubleshooting