MFC-8440 FAQs & Troubleshooting MFC-8440 Not your product? Sort by: Updated Date Popularity 3 Results 1. 10/06/2015 How do I install the Optional Tray Module? 2. 10/01/2006 What kind of memory can I use? 3. 09/12/2005 How do I install additional memory? More FAQs Consumables / Paper / Accessories FAQs & Troubleshooting