Dell 3130cn Color Laser Printer - Manual (Page 89)

7. Restore the previous wireless settings for your computer.
NOTE: If your computer provides a wireless printer adapter tool, change the wireless settings using this tool. Or you can change the wireless settings using the tool provided by the operating system. See the instructions below.
For Windows XP and Windows Server 2003:
a. Select Network Connections from Control Panel.
b. Right-click Wireless Network Connection and select Properties.
c. Select Wireless Network tab.
d. Click Advanced.
e. Do either of the following:
When wireless ad-hoc mode is set to the printer:
Select Computer to Computer (ad hoc) networks only and close the Advanced dialog box.
When wireless infrastructure mode is set to the printer:
Select Access point (Infrastructure) networks only and close the Advanced dialog box.
f. Select the setting that you send to the printer in the list in Preferred Network group.
g. Click Move up to move the setting to the top of the list.