Samsung SCX-6320F - Manual (Page 213)

I NSTALLING O PTIONS
D.4
7
Insert the two teeth at the bottom of the port cover into
the slots on the port panel and replace the cover, as shown.
8
Tighten the screw on the center of the port cover.
9 Insert the network interface card, ensuring that the
network cable connector and LEDs on the card are aligned
with the port and LED slots.
10 Align the connector of the network interface card with the
network card port on the control board and press the card
until it is securely seated on the board.