2. Product specifi cations and descriptions
Service Manual
ML-331x/371x series
2-26
Samsung Electronics
2.2.5.1 Main controller
ML-331x series Main Controller is composed with below components
- JUPITER5 : To generate the printable video data and control engine
Embedded USB2.0 device
- On board DDR2 SDRAM : system memory(64MB)
- Ethernet PHY : Network printing
- Serial Flash : Program memory
ML-331xD : 8MB, ML-331xND : 16MB
The Main Controller manages an Electro-photography system, controls the Video Data of printing images
from Main Board to LSU, provides high-voltages and PWMs, adjusts temperature in the fusing system, reads
sensor signals and controls SCF option.
The Main controller also controls OPE and N/W PHY, USB Device.
[ Main Controller Diagram ]
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