Appleis Knowledgebase system has an extensive list of printers that are out-of-the-box compatible with the new Intel-based Macs. The list includes printers from:
If your printer isnit included on the list, the manufacturer may have a compatible driver available on its Web site. If not, there may be a Gimp-Print driver pre-installed with Mac OS X 10.4.4, or you can check at the Gimp-Print Web site. An up to date list of Gimp-compatible printers is available here.