RJ-2140 FAQs & Troubleshooting RJ-2140 Not your product? Sort by Updated Date Popularity 3 Results 1. 10/22/2020 Where can I find the printer's network settings, such as IP address? 2. 10/15/2019 How to identify the printer's firmware version 3. 09/30/2016 Can I print out the printer settings? Machine FAQs & Troubleshooting