My scanmaker 4900 does not have a compatible driver to work with windows vista.
The link for drivers on this site was not helpful. Do I have to buy a new scanner?

i also have a older scanner (SJ 5200C) that does not have the driver for it.
I am running vista and will probably have to buy another scanner for the software i am running, so i am thinking you mit have to also..

the closest i have for your scanner is scan maker 5 which will not work anyways..

I have a Lexmark All in One, and though Lexmark says they are Vista compatible, I found out different. I actually found a forum loaded with people complaining about Lexmark not being compatible. One lady has called Lexmark several times with no reply. So, in the mean time, if I have to print..I use my boyfriends computer with XP..lol