Solving Printer Problems - HP ProDesk 600 Maintenance And Service Manual

There is no sound or sound volume is too low.
Cause
The application is set to use a different audio device than
speakers.
Some applications can select which audio output device is
used.
The operating system controls may be set to use a different
audio device as the default output device than what is
expected.

Solving printer problems

If you encounter printer problems, see the documentation that came with the printer and to the common
causes and solutions listed in the following table.
Printer will not print.
Cause
Printer is not turned on and online.
The correct printer drivers for the application are not installed.
If you are on a network, you may not have made the
connection to the printer.
Printer may have failed.
168 Chapter 8 Troubleshooting without diagnostics
Solution
Some graphics cards support audio over the DisplayPort
connection (if applicable), so multiple audio devices may be
listed in Device Manager. Make sure the correct device is
being used.
To access Device Manager in Windows 7, click Start, select
Control Panel, and then select Device Manager.
To access Device Manager in Windows 8, from the Start
screen, type c, select Control Panel from the list of
applications, and then select Device Manager.
Make sure the application has selected the correct audio
device.
Set the operating system to use the correct audio device.
Solution
Turn the printer on and make sure it is online.
1.
Install the correct printer driver for the application.
2. Try printing using the MS-DOS command:
DIR C:\ > [printer port]
where [printer port] is the address of the printer being
used. If the printer works, reload the printer driver.
To run MS-DOS commands, press the Windows key + r, type
cmd in the Open box, and then click OK.
Make the proper network connections to the printer.
Run printer self-test.