Printer: Change Default

Win7

1) Start > Devices and Printers

2) Right click on desired printer and choose "set as default printer"

XP

1)  Start > Printers & Faxes

2)  Locate the name of the printer you'd like to select

3)  Right click on this printer and choose "Set Default Printer"

A little black checkbox shows up on the icon of the printer that is set as your default printer.