2. Product specifi cations and descriptions
Service Manual
ML-331x/371x series
2-22
Samsung Electronics
The Main Controller adopts the Jupiter5(375MHz) CPU, on board DDR2 memory to perform printing jobs
successfully.
The OPE Controller displays the status of the system using 16 x 2line LCD in response to user actions or the
Main controller.
ML-331xD model only supports LED OPE without LCD module.
The HVPS supplies high voltage for developing Process. High Voltage controlled by PWM signal from CPU.
SMPS makes +5V and +24V DC from 220V or 110 AC.
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