HL-5150D FAQs & Troubleshooting HL-5150D Not your product? Sort by: Updated Date Popularity 4 Results 1. 09/02/2016 Why does the Drum LED blink ? 2. 13/10/2015 There is no jammed paper in the machine, but still the Paper LED is ON or Flashing. 3. 19/09/2014 What do the LED indications mean? 4. 20/02/2006 All the lights are flashing together. More FAQs Error Messages FAQs & Troubleshooting