Jaguar makes it easy
Print out documents from Cheryl's roaming wireless PowerBook. (it's actually on the island in the kitchen) The printer is connected to my PowerBook via USB, in my office.
1) On my PowerBook, click the checkbox next to 'Printer Sharing' in the Sharing pane of System Preferences.
2) Print document from Cheryl's PowerBook.
When the print window appeared on Cheryl's computer, my printer was already selected. All we needed to do was click Print.