MFC-T800W FAQs & Troubleshooting MFC-T800W Not your product? Sort by: Updated Date Popularity 2 Results 1. 18/06/2015 The keys on the control panel do not respond or triple beep when I press them. 2. 26/03/2015 The scanner cover support has come off. (With Video Instructions) Others FAQs & Troubleshooting