I've got a Mac that that does not show any print drivers at all even though I've run the Optional Installs installer from the 10.6 Snow Leopard installer DVD and they can all be clearly seen in the various library directories.
There are about 5 printers that show up via Bonjour on the network under 'Default' in the 'Print & Fax' Preference Pane, if I click on any of them the printer model is correctly recognised however I get an error message if I try to add straight away. If I select a printer and then use the 'Print Using' dropdown to select the 'Select Printer Software' option I just see a completely blank list where all the standard pre-installed drivers should be. I just get nothing.
Any suggestions about what could cause this?