Oki ES4192dn User Manual - page 548
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Adjusting the Fax and Phone Ring Volume
You can change the ring volume of the machine for a fax reception or incoming voice call.
Note
The setting of the ring volume is enabled only if [Reception Mode] is set to [Tel/Fax Ready Mode].
1.
Press [Device Settings] on the touch panel.
2.
Press [Admin Setup].
3.
Enter the administrator password.
The factory default password is "aaaaaa".
4.
Press [OK].
5.
Press [Fax Setup].
6.
Press [Fax Setting].
7.
Press [Soft Ringer Volume].
8.
Select a volume level.
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