Oki MC853 User Manual page 899

1.
Press [Device Settings] on the touch panel.
2.
Press or
3.
Enter the administrator name and password and press [OK].
The factory default administrator name and password are "admin" and "aaaaaa"
respectively.
4.
Press or
5.
Press [Sound Control].
6.
Press [JAM Buzzer Volume].
7.
Select a volume level.
several times and press [Admin Setup].
several times and press [Management].
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