HL-1670N FAQs & Troubleshooting HL-1670N Not your product? Sort by: Updated Date Popularity 7 Results 1. 27/01/2014 JAM REAR 2. 27/01/2014 PAPER JAM 3. 27/01/2014 JAM INSIDE 4. 27/01/2014 JAM TRAY 2 5. 27/01/2014 JAM TRAY 1 6. 27/01/2014 JAM MP TRAY 7. 22/09/2011 JAM DUPLEX Paper Feed / Paper Jam FAQs & Troubleshooting