Nikon D300 User Manual page 266

Creating a DPOF Print Order: Print Set
The [Print set (DPOF)] option in the playback menu is used to
create digital "print orders" for PictBridge-compatible printers and
devices that support DPOF. Selecting [Print set (DPOF)] from the
playback menu displays the menu shown in Step 1.
1
Choose [Select/set].
Highlight [Select/set] and press
2.
2
Select pictures.
Use the multi selector to
scroll through the pictures on
the memory card. To display
the current picture in full
screen, press X button. To
select the current picture for
printing, press the L button
and press 1. The picture will
be marked with a Z icon and
the number of prints will be
set to 1. Keeping the L
button pressed, press 1 or 3
to specify the number of prints (up to 99; to deselect the
Q
picture, press 3 when the number of prints is 1). Press J
when all the desired pictures have been selected.
240
L button