Samsung ML-2150 Service Manual page 35

Summary of Product
4.4 SMPS & HVPS board
The SMPS and HVPS are in one united board. The SMPS part supplies the DC power to the system.
It takes either 110V or 220V and outputs the +3.3V and +24V to supply the power to the main board.
The HVPS part creates the high voltage of THV/MHV/Supply/Dev and supplies it to the toner cartridge part for making the
best condition to display the image.
The HVPS part takes the 24V and outputs the high voltage for THV/MHV/BIAS, and the outputted high voltage is supplied
to the toner, OPC cartridge, and transfer roller.
Exit Sensor Inlet
HVPS Main PBA Fuser
Service Manual
4-18
Samsung Electronics