Technical information

reference guide
troubleshooting information
65
A red X or yellow
triangle appears on
the USB connect
prompt
do the following
1 Verify that the front panel cover is firmly adhered to the device,
then unplug the HP PSC and plug it in again.
For more information on how to attach the front panel cover, see I
received a message to attach the front panel cover on page 68.
2 Verify that the USB and power cables are plugged in.
3 Verify that the USB cable is set up properly as follows:
– Unplug the USB cable and plug it in again.
– Do not attach the USB cable to a keyboard or non powered
hub.
– Verify that the USB cable is 3 meters 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.
4 Continue with the installation and reboot the computer when
prompted. Then open HP Director and check for the essential icons
(scan picture, scan document, and hp gallery)
If the essential icons do not appear, remove the software and then
reinstall it as described in Some of the icons are missing in the
hp director on page 66.
I received a message
that an unknown error
has occurred
Try to continue with the installation. If that doesn’t work, stop and then
restart the installation.
problem possible cause and solution