4. Use a flat head driver on the bottom left cover connector to push it in and disconnect it.
Be careful not to damage the connecting part. (Each on left and right)
5. Stand the machine to remove Duplex Unit’s bottom body.
Push the cassette fixing clip on the rear to not to get caught and remove it.
6. Remove 3 screws [A], [B] and [C] on Duplex Unit’s top body to remove the top body.
7. Remove the machine’s right cover.