Oki B412dn User Manual - page 430
3.
When the version information screen is displayed, write down the version, and then click [OK].
4.
Right-click the icon of the printer to update, and then select [Delete].
Hereafter, follow the on-screen instructions.
Note
To ensure the printer driver's successful update, remove all printer drivers of the same type as the printer driver to be updated.
5.
In the [Printers and Faxes] folder, select [File] > [Server Properties].
6.
Select the corresponding model name on the [Drivers] tab, and then click [Remove].
7.
Restart Windows.
8.
Install a new printer driver.
Note
Be sure to check that the printer is turned on.
For Windows Server 2003, set up with [Add a Printer].
9.
Display the version information screen in steps 1 to 2, and then check that the printer driver version is
updated.
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