Connect the machine to the USB port in advance and turn it on.
On the [Apple] menu, click [System Preferences...], and then click the [Print & Fax].
From the list of printers, select a printer that is automatically recognized by plug-and-play, and then click [] to delete it.
Click [Delete Printer].
For Mac OS X 10.5.x, click [OK].
Click [].
Click [Default], and then make sure [Kind] is set to [USB].
Select the name of the printer you want to use.
Make sure the product name appears in the [Name] field, and then click [Add].
To use an option, select the option in [Installable Options], and then click [Continue].
The name of the added printer appears in [Print & Fax].
Click [Quit System Preferences].