DCP-9045CDN FAQs & Troubleshooting DCP-9045CDN Not your product? Sort by: Updated Date Popularity 3 Results 1. 02/27/2009 What kind of memory can I use? 2. 02/27/2009 How do I install additional memory? 3. 03/30/2007 How do I install the Optional Tray Unit? Consumables / Paper / Accessories FAQs & Troubleshooting