HP Scanjet Professional 1000 Mobile Scanner - Manual (Page 17)

Troubleshooting 15
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Vista/Vista, 64 bit/Windows 7: If you have the categorized Control
Panel view, select Control Panel, select Hardware and Sound, and
then select Device Manager. If you have the Classic view, select
Control Panel, then select Device Manager.
3. Disconnect the USB cable.
4. Restart your computer.
5. Use the Add/Remove tool (in Windows Vista or Windows 7, the Programs and
Features tool) from the Control Panel to uninstall the HP Scanjet 1000 scanner
driver.
6. Reinstall using the HP Software CD that came with your scanner.
7. Reconnect the USB cable.
Scanner operation problems
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Scanner will not turn on
•
Scanner does not scan right away
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Scanner scans only one side of a two-sided page
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Scanned image is fuzzy
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Optimize scanning and task speeds
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The scan is completely black or completely white
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Scanned images are not straight
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Vertical black strips appear on the scanned image
•
Scan files are too large
Scanner will not turn on
If the scanner will not turn on when you connect the USB cable to the computer, check
the following:
•
Be sure the USB cable is connected properly and the computer is turned on.
•
The computer may have been unplugged. Check to see that the power cable of your
computer has not become disconnected or unplugged from the power source. If you
connect the scanner to a laptop, check if the laptop battery has power.
•
The power supply of your computer may not be working.
°
Check that the green LED on the power supply case is on.
°
If the green LED is not on, ensure that power is available to the power outlet or
surge protector that the power supply is plugged into.
°
If power is available to the power outlet or surge protector but the green LED is
still not on, the power supply might be defective. Contact the manufacturer of
your computer for assistance.
Scanner does not scan right away
Make sure the computer is turned on and the USB cable is properly connected between
the scanner and your computer.
Scanner scans only one side of a two-sided page
Verify the TWAIN-compliant application supports duplex scanning and that the duplex
option has been selected.