HP Scanjet Professional 3000 Sheet-feed Scanner - Manual (Page 20)

HP Scanjet 3000 Scanner 18
Scanner Installation troubleshooting
If the scanner does not work after installation, you might see a message on the
computer screen that is similar to one of the following:
y
The computer cannot communicate with the scanner. To fix the problem, check
the scanner cables and software as described here.
y The scanner could not be initialized.
y The scanner could not be found.
y An internal error has occurred.
y The computer cannot communicate with the scanner.
To fix the problem, check the scanner cable and software as described here.
•
Check the USB cable.
•
Uninstall and then reinstall the HP Scanjet 3000 scanner driver.
Check the cables
Cable type Action
Power cable
The power cable is connected between the scanner and a power
outlet.
•
Ensure that the power cable is securely connected between the
scanner and a live electrical outlet or surge protector.
•
If the power cable is connected to a surge protector, ensure
that the surge protector is plugged into an outlet and turned on.
•
Press and hold the Power button for 3 seconds to turn off the
scanner and turn off the computer. After 60 seconds, turn the
scanner back on and then turn on the computer, in that order.
USB cable
The USB cable is connected between the scanner and the
computer.
y
Use the cable that was included with the scanner.
Another USB cable might not be compatible with the
scanner.
y 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.
y If the USB cable is connected to a USB port on the
front of the computer, move it to a USB port on the
back of the computer.
For additional USB troubleshooting information, see
www.hp.com/support , select your country/region, and then use the
search tool to find USB troubleshooting topics.
Uninstall and then reinstall the HP Scanjet 3000 scanner driver
If checking the scanner cable connection did not solve the problem, the problem might
have occurred because of an incomplete installation. Try uninstalling and then
reinstalling the HP Scanjet 3000 scanner driver.
1. Press and hold the Power button for 3 seconds to turn off the scanner, and then
disconnect the USB cable and power cable from the scanner.