124 AppendicesProblem The scanner does not support your USB interface.Solution This product is not guaranteed to operate with all types of USBinterfaces. Contact your local authorized Canon dealer or servicerepresentative for more information. (See p. 15.)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.The PC Does Not Recognize the Scanner(Connecting via SCSI)The following are possible causes of the PC failing to recognize the scanner.Check each possible cause.Problem The scanner is not connected correctly.Solution Make sure that the scanner and the computer are correctlyconnected. (See “Step 4. Connecting the Scanner to Your PC,” inthe Easy Start Guide.)Problem The SCSI card is not correctly installed in the PC.Solution Refer to the manual for the SCSI card and the computer andinstall the SCSI card to the computer correctly.Alternatively, check the following things, depending on youroperating system.Windows XPClick [Start] - [Control Panel] - [System] - [Hardware] - [DeviceManager], and make sure that no “x” or “!” symbol appears nextto the SCSI Controller entry. If either of these symbols appears,refer to the instruction manual for the SCSI card and reconfigurethe SCSI card.Windows VistaClick [Start] - [Control Panel] - [System and Maintenance] -[System] - [Device Manager], and make sure that no “x” or “!”symbol appears next to the SCSI Controller entry. If either ofthese symbols appears, refer to the instruction manual for theSCSI card and reconfigure the SCSI card.