Samsung SL-M2020W-XAA - Manual (Page 104)

Wireless network setup
104 2. Using a Network-connected Machine
If below screen appears, press the (WPS) button from the control
panel within 2 minutes.
7 When the wireless network set up is completed, click Next.
8 Follow the instructions in the installation window.
Ad hoc via USB cable
If you do not have an access point (AP), you may still connect the machine
wirelessly to your computer by setting up an ad-hoc wireless network by
following the simple steps below.
Items to prepare
• Network-connected computer
• Software CD that was provided with your machine
• A machine installed with a wireless network interface
• USB cable