Samsung MultiXpress K4 Series Service Manual page 204

3. Disassembly and Reassembly
7) Remove 1 screw. Unplug the connector. And, remove the Main Paddle Home Sensor Sub Assy.
8) Remove 3 screws. Unplug the connector. And, release the Motor Paddle Sub Assy.
9) Remove 3 screws. Then, remove the Duct B.
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