Samsung Electronics
5-43
Troubleshooting
Fault
Description
When turning on, all LEDs are continuously on.
All LEDs On
Model ML-6100
Check
Fuser, LSU, Engine board
Cause
1. Fuser error
2. LSU error
3. Bad connection between engine board and control board.
Solution
1. Replace the fuser.
2. Replace the LSU.
3. Check the wiring between the engine board and the control board.
4. Replace engine board.
Remark
Others