Bản Software Driver của chính hãng Cannon cho Scanner Lide 20/30/60 đều không support Windows 7 x64bit (chỉ có x32bit)
Vậy, hãy tham khảo link sau: https://social.technet.microsoft.com/Forums/windows/en-US/87751cbd-c58f-490e-844a-4d426d7cee9e/supported-canon-scanners-in-windows-7-64-bit?forum=w7itprohardware
You can use the same driver as the LiDe 20 or several others that work in Win7 but you can't run the setup program to install it. You will have to both manually extract the driver from the Canon supplied .exe and choose the driver to be installed manually. Use 7Zip to get inside the .exe and then again inside one of the other folders. Put that driver directory aside. Then take your unidentified device and go through the process of manually choosing a driver for which you have the discs and for which Windows doesn't agree you are using the right driver. It will work fine.
Hãy dùng 7zip mở chính file \setup.exe và extract nó ra 1 thư mục Drivers, sau đó dùng Device Management > install drive đó để load được Scanner.
Chúc các bạn thành công !