HP Photosmart C4380 All-in-One Printer - Manual (Page 106)

Solution: Check that the HP All-in-One is turned on, and then try the usb connection
again.
To retry the usb connection
1. Unplug the HP All-in-One power cord, and then plug it in again.
2. Verify that the USB cable and power cord are plugged in.
3. Click Retry to retry the connection. If this does not work, continue to the next step.
4. Verify that the USB cable is set up properly as follows:
•
Unplug the USB cable and plug it in again or try plugging the USB cable into
a different USB port.
• Do not attach the USB cable to a keyboard.
• Verify that the USB cable is 3 meters (9.8 feet) or less in length.
• If you have several USB devices attached to your computer, you might want
to unplug the other devices during the installation.
5. Continue with the installation and restart the computer when prompted.
For more information, see:
“Uninstall and reinstall the software” on page 106
I received a message that an unknown error has occurred
Cause: The source of the error is unknown.
Solution: Try to continue with the installation. If that does not work, stop and then
restart the installation, and follow the directions on the screen. If an error occurs, you
might need to uninstall and then reinstall the software. Do not simply delete the HP All-
in-One application files from your computer. Make sure to remove them properly using
the uninstall utility provided when you installed the software that came with the HP All-
in-One.
For more information, see:
“Uninstall and reinstall the software” on page 106
Software installation troubleshooting 105
Trou
bles
ho
ot
ing