HP Scanjet Professional 3000 Sheet-feed Scanner - Manual (Page 21)

Troubleshooting 19
2. 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 3000 scanner
driver.
3. Restart the computer.
4. Use the HP Software CD that came with the scanner to reinstall the HP Scanjet 3000
scanner driver.
5. Reconnect the USB cable and power cable to the scanner, and then press the
Power button to turn on the scanner.
Scanner initialization or hardware problems
•
Check the USB connection
•
Check that the scanner has power
•
Reset the scanner
•
Scanner has stopped working correctly
Check the USB connection
Check the physical connection to the scanner.
•
Use the cable that was included with the scanner. Another USB cable might not be
compatible with the scanner.
•
Ensure that the USB cable is securely connected between the scanner and the
computer. The trident icon on the USB cable faces up when the cable is properly
connected to the scanner.
If the problem persists after verifying the above items, try the following:
1. Do one of the following tasks depending on how the scanner is connected to the
computer:
• If the USB cable is connected to a USB hub or a docking station for a laptop,
disconnect the USB cable from the USB hub or the docking station, and
then connect the USB cable to a USB port on the back of the computer.
• If the USB cable is directly connected to the computer, plug it into another
USB port on the back of the computer.
• Remove all other USB devices from the computer except for the keyboard
and the mouse.
2. Press and hold the Power button for 3 seconds to turn off the scanner, wait 30
seconds, and then press the Power button to turn on the scanner.
3. Restart the computer.
4. After the computer has restarted, try using the scanner.
• If the scanner works, reconnect any additional USB devices one at a time; try
the scanner after connecting each additional device. Disconnect any USB
devices that prevent the scanner from working.
• If the scanner does not work, uninstall and then reinstall the HP scanner driver.
See also
Uninstall and then reinstall the HP Scanjet 3000 scanner driver