ComputerCPU:      Intel Core 2 Duo 1.66 GHz or faster
Memory:               1 GB or more
Hard disk:             3 GB or more available space required for installation of all software
USB interface:       Hi-Speed USB 2.0 (USB 3.0 bus power also supported)
Monitor:                Resolution of 1024 x 768 (XGA) or better recommended.
Optical drive:         Drive capable of reading DVDs.

Operating system
•Microsoft Windows XP Service Pack 3 or later
•Microsoft Windows XP x64 Edition Service Pack 2 or later
•Microsoft Windows Vista Service Pack 2 or later (32-bit and 64-bit editions)
•Microsoft Windows 7 Service Pack 1 or later (32-bit and 64-bit editions)
•Microsoft Windows 8
•Mac OS X 10.5.8, 10.6.8, 10.7

Other requirement
•An ISIS-compatible application (Windows only) or a TWAIN-compatible application that is compatible with the above operating systems.
•.NET Framework 3.5 or later (Windows only)

•If you do not know the requirements for your computer system, contact the store where you purchased the computer or the manufacturer of the computer for more information.
•If you use the scanner with Windows, use the latest USB 2.0 driver made available by Microsoft. For details, consult your local authorized Canon dealer.
•Use the USB interface provided as standard with your computer. However, normal operation is not guaranteed with all USB interfaces, even if present as standard equipment on the computer. For details, consult your local authorized Canon dealer.
•Scanning speeds are lower if your computer’s standard USB interface is USB Full-Speed (equal to USB 1.1.)
•The USB cable you are using should be the one originally included with the scanner.
•If the CPU, memory, interface card, and other specifications do not satisfy the installation requirements, the scanning speed may be greatly reduced and transmission may take a long time.
•Even if the computer satisfies the recommended specifications, the scanning speed may vary, depending on the specified scan settings.
•The scanner drivers provided with the scanner do not necessarily operate on all ISIS (only for Windows) or TWAIN-compatible applications. For details, contact your application software retailer.

Precautions for Use in 64-bit Operating Systems
•The scanner driver supplied with this product supports scanning with 32bit applications only.
•Even with 32-bit applications, not all ISIS/TWAIN compliant applications are guaranteed to operate.
•Scanning speed may vary depending on the specifications of your computer.

Precautions for Use in Mac OS X
On a Macintosh computer equipped with a PowerPC CPU, the scanner driver of this product cannot be used with Classic Environment.
The driver will not run correctly when Classic Environment is running so use the scanner when Classic Environment is not running.