Samsung ML-1430 - Manual (Page 139)

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PPENDIX
Using Printer in Linux
If you click the Save button at the bottom of the dialog box,
the options will be kept between SLPR session.
Use the Help button to view details about the options in the
dialog box.
To apply the options, click OK in the SLPR Properties dialog
box. You will return to the Samsung LPR dialog box. To start
printing, click OK.