Samsung ML-331X - Manual (Page 183)

Using Direct Printing Utility (Windows only)
80 4. Special features
5
Using the right-click menu
1 Right-click on the PDF file to print and select Direct Printing.
The Direct Printing Utility window appears with the PDF file is
added.
2 Select the machine to use.
3 Customize the machine settings.
4 Click Print. The selected PDF file is sent to the machine.