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Troubleshooting 47
Chapter 4
Problem The scanner does not support your USB interface.
Solution This product is not guaranteed to operate with all types of
USB interfaces. Contact your local authorized Canon dealer
or service representative for more information. (See p. 14.)
Problem The scanner does not support the USB cable.
Solution Use the USB cable provided with the scanner.
Problem The USB hub is not compatible with the scanner.
Solution Remove the USB hub.
When connecting via SCSI
Problem The scanner is not connected correctly.
Solution Make sure that the scanner and the computer are correctly
connected.
Problem The SCSI card is not correctly installed in the PC.
Solution Refer to the documentation for the SCSI card and the
computer. Make sure that the SCSI card is correctly
installed in the computer and that it is enabled properly
under the operating system in use.
Problem The scanner’s SCSI ID is identical to the SCSI ID of
another device.
Solution Check the SCSI IDs of all SCSI devices connected to the
system and set a unique SCSI ID for the scanner.
Problem The terminator is not set correctly.
Solution Shut down both the PC and the scanner, and then turn the
scanner ON first, and then the PC.
Problem There is a problem with another SCSI device that is
connected in the daisy chain.
Solution Do not use the daisy chain connection configuration.
Problem The PC was turned ON before the scanner.
Solution Shut down both the PC and the scanner, and then turn the
scanner ON first, and then the PC.