HL-1870N FAQs & Troubleshooting HL-1870N Not your product? Sort by: Updated Date Popularity 4 Results 1. 29.01.2014 How do I print on labels, transparencies etc? 2. 27.09.2011 Use the "Booklet Printing" feature. 3. 27.09.2011 Print on both sides of the paper(2-sided/Duplex Printing). 4. 26.09.2011 Print on envelopes. Print FAQs & Troubleshooting