Main Board; Deve Fan - Samsung MultiXpress K4 Series Service Manual

3.3.7. Main board

1. Remove the rear cover. (Refer to 3.3.2)
2. Unplug all connectors on the main board.
3. Remove the main board after removing 9 screws.

3.3.8. Deve Fan

1. Remove the rear cover. (Refer to 3.3.2)
2. Unplug the connector. Remove 1 screw. And remove
the fan.
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4. Install the new main board and insert the MSOK and
memory.
NOTE
When inserting the MSOK, be careful its direction.
NOTE
Shading Test for ADF(DSDF) Unit must be carried out,
after replacing the main board. (Refer to 4.5.5.3)
3. Disassembly and Reassembly
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