Samsung SCX-4824XBH Service Manual page 112

Alignment & Troubleshooting
8) No Power
Description : When system power is turned on, all lamps on the operator panel do not come on.
Replace the power supply cord
1. Check if the power input
or SMPS.
and SMPS output are normal.
2. Check the inferiority
1. Replace the control board.
2. Replace the OP panel.
front-cover if the OP panel does not
appear after normal
warming-up.
4-60
Service Manual
Samsung Electronics