Oki MB472dn User Manual page 178

3.
Click [Preferences].
4.
Select [A4 210x297mm] or [Letter 8.5x11in] from [Size] on the [Setup] tab.
5.
Select [Multi Purpose Tray] from [Source].
6.
Change other settings if necessary, and then click [OK].
7.
Click [Print] on the [Print] screen.
Printing starts.
For Mac OS X PCL Printer Driver
1.
Open a file.
2.
Select [Page Setup] from the [File] menu.
3.
Select [A4] or [Letter] from [Paper Size], and then click [OK].
4.
Select [Print] from the [File] menu.
5.
Select [Setup] from the panel menu.
6.
Select [Multipurpose Tray] from [Paper Source].
7.
Change other settings if necessary, and then click [Print].
Printing starts.
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