Nearly all the major manufacturers have Windows 7 drivers
available. Your scanner may not
ship with the new drivers in the box however they are available
for download from the Mfr. website.
These are links to discontinued Canon scanner models. We keep the pages
here for people that want to compare their old model specs to the newer ones.
Note that Canon will sell old models until they are out of stock world
wide.
They also support these models for several years after
their discontinuance.