HL-5050 FAQs & Troubleshooting HL-5050 Not your product? Sort by: Updated Date Popularity 4 Results 1. 26/08/2011 I heard a beep sound from the UPS (Uninterruptible Power Supply) when I turned on my Brother machine. 2. 16/10/2006 None of the LEDs illuminate. 3. 16/10/2006 Printer cannot power on. 4. 08/11/2005 The printer makes a grinding or clicking sound. Others FAQs & Troubleshooting