Oki ES 1624n MFP User Manual page 196

5. On the Setup
Size drop-down list. Define the custom size in the dialog box which
appears, then click OK.
You may see a
conflict. If you do, click
automatically make the needed changes to correct for
the conflict.
Windows: PCL Emulation Driver • 196
tab, under Media, select
NOTE
dialog box indicating a
Warning
OK
User Defined Size
and the driver will
in the