HL-4040CN FAQs & Troubleshooting HL-4040CN Not your product? Sort by: Updated Date Popularity 3 Results 1. 23/03/2016 What can happen if the wrong paper is used in your machine. 2. 23/09/2008 What is the recommended paper? 3. 27/12/2006 What kind of paper can I use? Specification FAQs & Troubleshooting