Try third-party software such as Hamrick Vuscan, which has its own drivers for most Lide printers. Plus, it makes better scans than the Canon software under most circumstances.
Bushfiva beat me to it. I use Vuescan for an old Epson Perfection, and the scanner performs better than it did on XP with the manufacturers drivers. It also works with a newer Epson scanner/printer which Epson support in the US on W8, but not in Europe - a stance which has ensured I will never buy another of their products.