FAX-2940 FAQs & Troubleshooting FAX-2940 Not your product? Sort by: Updated Date Popularity 3 Results 1. 16/11/2015 I heard a beep sound from the UPS (Uninterruptible Power Supply) when I turned on my Brother machine. 2. 13/10/2015 My Brother machine has no power. 3. 08/05/2013 The keys on the control panel do not respond. More FAQs Others FAQs & Troubleshooting