Samsung CLP-510 Series - Manual (Page 246)

D.9
D
4 Using a pointed tool, carefully punch out the wireless
network antenna port and the Ethernet network port
covers, and other covers, as shown below.
If you are replacing an existing network interface card with
a new one, remove the two screws and the old card.
5 Align the connector on the network interface card with the
connector on the control board. Make sure that the jacks on
the card go through the holes. Push the card firmly into the
connector on the control board until it is completely and
securely in place.
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