Samsung ML-4500/XAA Service Manual page 27

3-28 Main Board
1. Before you remove the main board, you should
remove:
– Rear cover (see page 3-4)
– Shield engine ass'y (see page 3-19)
2. Remove the two screws unplug and all the con-
nectors from the main board, then remove the
board.
3-29 Sensor Board
1. Before you remove the sensor board, you should
remove:
– Rear cover (see page 3-4)
– Shield engine ass'y (see page 3-19)
2. Release four snap-fits securing the insulator
engine board and remove the insulator engine
board.
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3. Release four snap-fits securing the sensor board,
then remove the sensor board.
Disassembly and Reassembly
3-19