HL-6180DW FAQs & Troubleshooting HL-6180DW Not your product? Sort by: Updated Date Popularity 3 Results 1. 20/01/2014 The print speed is slow. 2. 05/07/2012 Reduce printing noise. 3. 26/08/2011 I heard a beep sound from the UPS (Uninterruptible Power Supply) when I turned on my Brother machine. Others FAQs & Troubleshooting