Samsung SCX-8128NA-XAA - Manual (Page 115)

Printing_ 115
Margins tab
• Use Margins: Set the margins for the document. By default,
margins are not enabled. The user can change the margin settings
by changing the values in the respective fields. Set by default, these
values depend on the page size selected.
• Unit: Change the units to points, inches, or centimeters.
Printer-Specific Settings tab
Select various options in the JCL and General frames to customize
various settings. These options are specific to the printer and depend on
the PPD file.