Canon CanoScan FB620U User Manual
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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)