The following page orientation are supported by the AFP Printer,
Portrait
Landscape
Portrait 180
Landscape 270
To adjust the page orientation settings, you can run the following command in Start->Run,
rundll32.exe printui.dll, PrintUIEntry /e /n "AFP Printer"
Or you can go to your Control Panel->Printers and Devices (only on Windows 11/10/8.1/8/7/Vista/2008/2012/2016/2019/2022) or Control Panel->Printers and Faxes (only on Windows 2000/XP/2003), and right-click on the "AFP Printer", and then choose "Printing Preferences".
In the Printing Preferences dialog, you see the Orientation option.