3. Dry the backing with a dry, soft, lint-free cloth.
CAUTION: Do not use paper-based wipes, as these might scratch the
backing.
4. If further cleaning is needed, repeat the previous steps using isopropyl (rubbing)
alcohol, and wipe the backing thoroughly with a damp cloth to remove any residual
alcohol.
CAUTION: Be careful not to spill alcohol on the glass or exterior of the HP All-
in-One, as this might damage the device.
The scan feature does not work
Cause: There are several reasons why a scan might not occur:
• The computer is turned off.
• The HP All-in-One is not properly connected to the computer through a USB
cable.
• The software that came with the HP All-in-One is not installed or is not running.
Solution:
• Turn the computer on.
• Check the cables that connect the HP All-in-One to your computer.
• Restart your computer. If that does not help, install or reinstall the software that
came with the HP All-in-One.
Device update
The function of device update is to deliver firmware updates to the HP All-in-One to keep
your device running smoothly with the most advanced technology available.
To use device update
1. Use your Web browser to download an update for the HP All-in-One from
www.hp.com/support.
2. Double-click the downloaded file.
The installer opens on your computer.
3. Follow the onscreen prompts to install the update to the HP All-in-One.
4. Restart the HP All-in-One to complete the process.
Errors
This section contains the following categories of messages on your device:
•
Device messages
•
File messages
•
General user messages
Chapter 11
248 Troubleshooting
