From the control panel, touch Settings > Device > Preferences > Audio Feedback.
Adjust the volume.
Notes:
From the control panel, navigate to:
Settings > Device > Accessibility
Adjust Headphone Volume.
From the control panel, navigate to:
Settings > Fax > Fax Setup > Speaker Settings
For non-touch-screen printer models, press to navigate through the settings.
Do the following:
Set Speaker Mode to Always On.
Set Speaker Volume to High.
Enable Ringer Volume.