RJ-4250WB FAQs & Troubleshooting RJ-4250WB Not your product? Sort by Updated Date Popularity 3 Results 1. 22/10/2020 The WLAN icon appears on the LCD, but the printer cannot communicate with other devices via a wireless LAN. 2. 13/09/2019 What do the indicator lights mean? 3. 21/09/2018 The LED indicator or the LCD is not lit. Error Messages/LED Indications FAQs & Troubleshooting