MFC-7820N FAQs & Troubleshooting MFC-7820N Not your product? Sort by: Updated Date Popularity 4 Results 1. 01/27/2014 "Paper Jam Inside" error appears on the LCD. What should I do? 2. 01/27/2014 "Paper Jam Rear" error appears on the LCD. What should I do? 3. 01/27/2014 "Paper Jam Tray" error appears on the LCD. What should I do? 4. 11/17/2008 "Document Jam" error appears on the LCD. What should I do? Paper Feed / Paper Jam FAQs & Troubleshooting