Oki B412dn User Manual page 376

7.
Select [Network (Wired/Wireless)], and then click [Next].
8.
Click [Control Panel Language Settings].
9.
Select the model name of the printer, and then click [Next].
10.
Select the language you want to set from the [Device Language Settings] drop-down list, and then
click [Setup].
11.
Enter the password, and then click [OK].
12.
When a setting completion message is displayed, click [OK].
The printer restarts.
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