Samsung SL-M2625D-XAA - Manual (Page 126)

Wireless network setup
126 2. Using a Network-Connected Machine
5 Select Wireless network connection on the Printer Connection Type
screen. Then, click Next.
6 On the Are you setting up your printer for the first time? screen, select
Yes, I will set up my printer's wireless network. Then, click Next.
If your printer is already connected on the network, select No, my
printer is already connected to my network.
7 Select Using a USB cable on the Select the Wireless Setup Method
screen. Then, click Next.