Samsung ML-1665 Service Manual - Page 70
No Power, Description, When system power is turned on, all lamps on the operator panel do not come on.
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Alignment and Troubleshooting 4) No Power Description : W hen system power is turned on, all lamps on the operator panel do not come on. 1. Check if the flat cable between the main board and HVPS/SMPS board is connected correctly. 2. Check if the HVPS/SMPS output is normal. Reconnect the flat cable. Replace the HVPS/SMPS board. Service Manual 4-22 Samsung Electronics
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Alignment and Troubleshooting
Service Manual
4-22
Samsung Electronics
4) No Power
Description :
When system power is turned on, all lamps on the operator panel do not come on.
1. Check if the flat cable
between the main board and
HVPS/SMPS board is connected
correctly.
2. Check if the HVPS/SMPS
output is normal.
Reconnect the flat cable.
Replace the HVPS/SMPS board.