HL-1240 FAQs & Troubleshooting HL-1240 Not your product? Sort by: Updated Date Popularity 5 Results 1. 03/23/2016 What can happen if the wrong paper is used in your machine. 2. 10/17/2006 What kind of labels and transparencies can I use? 3. 10/16/2006 What kind of paper should I avoid? 4. 10/16/2006 What kind of envelopes should I avoid? 5. 10/16/2006 What kind of paper can I use? Consumables / Paper / Accessories FAQs & Troubleshooting