HP LASERJET ENTERPRISE M775dn - Page 166

No control-panel sound
Figure 2-4 No control-panel sound
N
N
Y
Y
Control panel
has no
sound
Turn the product power off.
Remove the control panel.
Check the cables to the speaker.
Reseat the cables to the speaker.
Turn the product power on.
Can sounds be heard?
Can sounds
be heard?
Can sounds
be heard?
Replace the control panel.
Open the following menus:
Administration
Display Settings
Key Press Sound
Select the following:
On
Save
N
Do not replace the
control panel.
Open the
diagnostic function.
Perform the sound test.
134 Chapter 2 Solve problems ENWW