Canon 0435B008 Startup Guide - Page 20

Installing the Scanner Installation Requirements To use the CR-25/55, your computer must satisfy the following system requirements: • One of the following operating systems: • Microsoft Windows 2000 Professional SP3 or later • Microsoft Windows XP Professional SP1 or later • Microsoft Windows XP Home Edition SP1 or later • A computer that meets the following specifications: • CPU: Pentium 4 (1.5 GHz or higher) • Memory: 256 MB or more • Hard disk: 400 MB or more available space • CD-ROM drive • Hi-Speed USB 2.0/USB Full-Speed (equal to USB 1.1) • Extension slot: PCI or CardBus (for interface cards) • Monitor: Resolution of 1024 x 768 (XGA) or better recommended IMPORTANT • 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. • Use the most recent version of the USB 2.0 driver provided by Microsoft. Contact your local authorized Canon dealer or service representative for more detailed information. • Not all USB interfaces provided as standard with personal computers are guaranteed. Contact your local authorized Canon dealer for more detailed information. • Scanning speeds are lower if your computer's standard USB interface is USB Full-Speed (equal to USB 1.1). • Use the USB cable provided with the scanner, or a Hi-Speed USB 2.0 compatible cable. • 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 scan settings. Installing the Scanner 15