HL-1870N FAQs & Troubleshooting HL-1870N Not your product? Sort by: Updated Date Popularity 7 Results 1. 01/27/2014 JAM REAR 2. 01/27/2014 PAPER JAM 3. 01/27/2014 JAM INSIDE 4. 01/27/2014 JAM TRAY 2 5. 01/27/2014 JAM TRAY 1 6. 01/27/2014 JAM MP TRAY 7. 09/22/2011 JAM DUPLEX Paper Feed / Paper Jam FAQs & Troubleshooting