Problems with the Initial Connection of the Scanner to a USB Port

Scanner Appears as an Unknown Device Not a Scanner

Cause 1: Computer or computer operating system is incompatible with the scanner, or the USB interface has not been enabled in the BIOS

Solution: The performance guarantee for this scanner and its software is limited to its operation with computers running Windows 98 that are equipped with a built-in USB port. Computers running Windows 95 with a USB port on an optional expansion card fall outside the limits of the guarantee.

Computers with operating systems that have been upgraded to Windows 98 may have the USB interface setting set to Off in the system BIOS. You must change the BIOS settings to enable the USB interface. Please refer to the manual that accompanied your computer for these instructions.

Cause 2: Incorrectly connected USB cable

Solution: An incorrect connection to a USB hub or another USB device will prevent the scanner from working. Check the USB cables to ensure that they are correctly attached. (See p. 19)

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Canon FB620U manual Scanner Appears as an Unknown Device Not a Scanner