HL-5370DW FAQs & Troubleshooting HL-5370DW Not your product? Sort by: Updated Date Popularity 3 Results 1. 17/01/2014 How do I install the Optional Tray Unit? 2. 17/01/2014 How do I install additional memory? 3. 27/11/2008 What kind of memory can I use? Consumables / Paper / Accessories FAQs & Troubleshooting