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2.2.4.2 HVPS and SMPS Board
The HVPS Board and SMPS Board housed in one board.
The HVPS board creates the high voltage of THV/MHV/Supply/Dev and supplies it to the developer portion
takes the 24V and outputs the high voltage for THV/MHV/BIAS, and supplied to the high voltage, OPC
cartridge, and transfer roller for optimum latent image and toner transfer quality. The HVPS portion takes the
24V and outputs the high voltage for THV/MHV/BIAS, and supplied to the high voltage, OPC cartridge, and
transfer roller for optimum latent image and toner transfer quality.
It is the power source of entire system. It is assembled by an independent module, so it is possible to use for
common use. It is mounted on the side of the machine.
It is consisted of the SMPS and AC to power the Fuser Unit. which supplies the DC power for driving the
system, and AC to power the Fuser Unit. SMPS has two output channels, which Which are +5V and +24V.
Fuser
Fan
Inlet
24V
Switch
Main Board to
SMPS/HVPS
Exit
Sensor
Paper empty
Sensor
Feed
Sensor
Manual
Sensor
MHV OPC DEV SUP
THV