HL-5150D FAQs & Troubleshooting HL-5150D Not your product? Sort by: Updated Date Popularity 2 Results 1. 17/06/2014 How do I install the Optional Tray Unit? - For Europe and Asia/Oceania 2. 30/01/2014 How do I install additional memory? More FAQs Product Setup FAQs & Troubleshooting