HL-1870N FAQs & Troubleshooting HL-1870N Not your product? Sort by: Updated Date Popularity 4 Results 1. 28/07/2022 Use the "Booklet Printing" feature. 2. 09/02/2016 Print on both sides of the paper(2-sided/Duplex Printing). 3. 16/09/2014 Print on envelopes. 4. 30/01/2014 How do I print on labels/transparencies? More FAQs Print FAQs & Troubleshooting