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2. Product Specifications and Description
2.12.1. Main board
The main board consists of the main processor(1GHz dual core CPU), memory(DDR3 1GB), flash(128MB), 1G Ethernet
PHY, USB2.0 HUB, Micom(power/fuser control), scan/video/UI/fax signal interface connection, motor driving IC, engine
signal interface connection, power interface.
The main processor controls video, engine, UI display and communicates with various devices. The HDD is connected to
the main board by SATA2 and to the other device (DSDF, SCF, finisher, and fax modem) by UART.
1) Main Board Diagram
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Troubleshooting
