HL-1670N FAQs & Troubleshooting HL-1670N 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. 28/11/2006 My printer will not power up. 3. 16/01/2006 The machine does not print anything. More FAQs Others FAQs & Troubleshooting