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Reinstall using the HP software CD that came with your scanner. When you insert
the CD, an installation dialog box launches automatically.
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.
● Turn off the scanner, wait 60 seconds, and then turn the
scanner back on.
USB cable The USB cable is connected between the scanner and the
computer.
● 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.
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.
Accessory cable The accessory cable is connected between the TMA in the
scanner lid and the scanner base.
Ensure the cable is securely connected in the back of the
scanner.
Scanner operation problems
● Scanner will not turn on
● Scanner lamp stays on
● Scanner does not scan right away
● Scanned image is fuzzy
● Scanner is scanning items very slowly
● The image is completely black or completely white
● Scanned images are not straight
● Vertical white stripes appear on the printed page
● Scanner glass needs to be cleaned
● Scanner does not perform a two-sided scan (Macintosh)
User Guide 51