Before you begin, make sure:
Your wireless network adapter is properly attached to your computer and is working.
The ad hoc wireless network that the printer will connect to is available. For more information on creating an ad hoc wireless network, see the documentation that came with your operating system.
Notes:
For the Wireless Setup Utility download, please refer to the URL described on the Printer Driver and Documentations CD.
For details on how to install or use this application, refer to the relevant manual of the Wireless Setup Utility.
From the Applications folder in the Finder, or from the Finder desktop, double-click the printer folder.
Double-click Wireless Setup Assistant.
Follow the instructions on the computer screen.