6STEP 2 Installing the SoftwareSystem requirementsTo use the scanner, your computer must satisfy the following systemrequirements.ComputerCPU: Intel Core 2 Duo 1.66GHz or fasterMemory: 1 GB or moreHard disk: 3 GB or more available space required forinstallation of all softwareUSB interface: Hi-Speed USB2.0Monitor: Resolution of 1024 × 768 (XGA) or betterrecommended.Optical drive: Drive capable of reading DVDs.Operating system• Microsoft Windows Vista Service Pack 2 or later (32-bit and 64-biteditions)• Microsoft Windows 7 Service Pack 1 or later (32-bit and 64-biteditions)• Microsoft Windows 8 or 8.1 (32/64-bit version)• Microsoft Windows Server 2008 R2 Service Pack 1 or later• Microsoft Windows Server 2012 R2This is the environment as of March 2015.For the latest software support information, go to the Products pageon the Canon website.Other requirements• An ISIS-compatible application or a TWAINcompatible applicationthat is compatible with the above operating systems.• .NET Framework 4.0 or laterIMPORTANT• Use the USB interface provided as standard with your computer.However, normal operation is not guaranteed with all USBinterfaces, 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 USBinterface is USB Full-Speed (equal to USB 1.1.)• The USB cable you are using should be the one originally includedwith the scanner.• If the CPU, memory, interface card, and other specifications do notsatisfy the installation requirements, the scanning speed may begreatly reduced and transmission may take a long time.• Even if the computer satisfies the system requirements, thescanning speed may vary, depending on the specification of thecomputer and the environment.• The scanner drivers provided with the scanner do not necessarilyoperate on all ISIS or TWAIN-compatible applications. For details,contact your application software retailer.Precautions for Use in 64-bit Operating Systems• The ISIS/TWAIN driver supplied with this product supportsscanning with 32bit applications only.• Even with 32-bit applications, not all ISIS/TWAIN compliantapplications are guaranteed to operate.• Scanning speed may vary depending on the specifications of yourcomputer.