Konica Minolta bizhub C550 - Manual (Page 365)

Utility mode 10
C550 10-59
4
Select the items to be set.
– Touch [↓] or [↑] to display the next or the previous page.
5
Touch the button for the item to be set, from the displayed items.
– To change the [Line Monitor Sound Vol.] touch the [Line Monitor
Sound Vol.] and set the level after touching [Lower] or [Higher] and
then touch [OK].
6
Touch [OK].
The settings are changed.
7
Touch [Close] until it returns to Fax/Scan screen.