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Troubleshooting Scanner Operations

If a problem still exists after you have checked the User Utility Status Messages and Error Codes as

described in the previous section, check the items in the following table. If the scanner still malfunctions

after you have checked these troubleshooting options, turn the scanner off, unplug the power cord and call

for service.

Symptom Possible Cause Remedy
The LED does not light
when the power button is
turned on.
Power cord is not plugged in. Insert the power cord firmly into the
power outlet and into the scanner power
input.
Problem with power supply. Disconnect the scanner from the power
outlet and call for service.
The computer does not
recognize the scanner.
USB connection
Scanner is not connected to the
computer properly. Connect the interface cable properly.
See page 26 (USB).
Scanner has not been properly
configured using the Windows “Found
New hardware” procedure.
Uninstall the scanner from the computer.
Reinstall the scanner in order to
recognize the scanner hardware.
See page 27.
The USB interface of the computer is
not installed properly. Check the computer to determine if the
USB interface is installed properly.
Check the USB properties using the
Windows Device Manager.
The scanner is connected to a USB
hub. Do not connect the scanner to a USB
hub.
The USB cable does not have a High
Speed logo. Use the cable provided with the scanner.