Konica Minolta magicolor 2350 Reference Manual page 96

XPP: Enter xpp in the box to use the xpp/cups GUI option.
XPDQ: Enter xpdq in the box to use the pdq/xpdq GUI option.
Netscape remembers the last option entered so you don't have to
reenter the command each time you print.
92—Chapter 2.7 Printing from Applications