HL-5470DW FAQs & Troubleshooting HL-5470DW Not your product? Sort by: Updated Date Popularity 3 Results 1. 02/20/2014 What kind of memory can I use? 2. 01/17/2014 Install additional memory. 3. 02/22/2013 Install the optional tray unit. Consumables / Paper / Accessories FAQs & Troubleshooting