Canon FB620U manual Installation is unsuccessful, Twain problem message is displayed Windows

Problems with Software Installation

Installation is unsuccessful

	Cause 1:	Insufficient memory to run the installer program
	Solution:	Close other software programs that are running and reinstall
	Cause 2:	Insufficient free hard disk space
	Solution:	Delete or transfer unnecessary files from the hard disk and reinstall. Refer to
		the Quick Start Guide for the required free hard disk space.
	Nothing displays when the CanoScan Setup Utility CD-ROM is placed in the drive
	Cause:	CD-ROM will not automatically run the menu program
	Solution:	Start the menu program manually (See Quick Start Guide)
Problems Starting Software Programs
	[TWAIN problem] message is displayed (Windows)
	Cause 1:	Scanner not detected because the AC adapter is not correctly plugged into
		the electrical outlet
	Solution:	Plug the AC adapter securely into the electrical outlet (See Quick Start Guide)
	Cause 2:	Scanner not detected because the power cord plug is not correctly connected
		to the scanner
	Solution:	Reconnect the power cord to the scanner (See Quick Start Guide)
	Cause 3:	Scanner not detected because the USB interface cable is not correctly con-
		nected to the computer or the scanner.
	Solution:	Reconnect the USB interface cable to the scanner or the computer
		(See Quick Start Guide)

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