MFC-8640D FAQs & Troubleshooting MFC-8640D Not your product? Sort by: Updated Date Popularity 2 Results 1. 06/17/2014 I'm using Windows XP. I can't tell my application to feed paper from the lower tray. 2. 11/16/2011 The paper is skewed when it's printed. Paper Feed / Paper Jam FAQs & Troubleshooting