Samsung ML-1645

Service Manual
Alignment & Troubleshooting
4-35
Samsung Electronics
8) No Power
1. Check if the power input and
SMPS output are normal.
2. Check the inferiority of
LED-Panel on the front-cover if the
LED of Panel does not appear after
normal warming-up.
Replace the power supply cord or
SMPS.
1. Replace the control board.
2. Replace the LED-panel.
• Description When system power is turned on, all lamps on the operator panel do not come on.