Samsung ML-2251NP - Manual (Page 183)

I NSTALLING P RINTER O PTIONS
E.6
4 Close the control board cover.
5 Tighten the two screws.
6 Reconnect the power cord and printer cable, and turn the
printer on.
Installing a Wireless Network Card
N OTE : When you purchase the wireless network interface card,
the antenna connected to the card is not separated from the card
depending on your country.
Your printer has a built-in wired network interface card which
allows you to use your printer on a network.
If you want to use the printer in wireless network environments,
you need to install an optional wireless network interface card.
Check if there are missing parts in your optional interface card
package.
1 Turn the printer power off and unplug all cables from the
printer.
ML-00LB
Ethernet 10/100 Base TX +
802.11b Wireless Lan (Internal)
Wireless Network interface
Card, CD-ROM, Quick Guide and
Wireless Quick Guide