I did a restore and now vista is finding unknown devices.

When I go to device manager and look at their device instance path and it shows up as
root\printer\0000
root\printer\0001
root\printer\0002
root\printer\0003
root\printer\0004

I do have 5 printers listed in printers but what would cause vista to see them as unknown device especially when you view them in printers they are clearly labeled.