Oki B412dn User Manual - page 428
3.
When the version information screen is displayed, write down the version, and then click [OK].
4.
Remove the printer driver.
Removing the Printer Driver from a Computer (Windows)
5.
Install a new printer driver.
6.
Display the version information screen in steps 1 to 2, and then check that the printer driver version is
updated.
For Windows Vista and Windows Server 2008
1.
Click [Start], and then select [Control Panel] > [Printers].
2.
Select a printer icon in the [Printers] folder.
For the PCL printer driver
For the PCL printer driver, right-click the icon of the printer to update, and then select [Properties]. Click [About] on the [Device
Options] tab.
For the PS printer driver
For the PS printer driver, right-click the icon of the printer to update, and then select [Printing preferences]. Click [About] on the
[Job Options] tab.
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