HP 2400 User Manual
Page 149
reference guide
troubleshooting information
139
tr
oubleshooting
A red X or yellow
triangle appears on
the USB connect
prompt
follow these steps
1
Verify that the front panel cover is firmly attached, then unplug the
HP PSC and plug it in again.
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)
5
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 140.
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