Nikon D3 - Manual (Page 289)

263
Q
Direct USB Connection
If the camera is connected to a PictBridge printer via the supplied
USB cable, selected JPEG pictures can be printed directly from the
camera.
D
USB Hubs
Connect the camera directly to the computer; do not connect the cable
via a USB hub or keyboard.
A
Printing Via Direct USB Connection
Be sure the battery is fully charged or use an optional EH-6 AC adapter.
When taking photographs to be printed via direct USB connection, set
[Color space] to [sRGB] (pg. 187).
Take photographs
Select photographs for printing
using [Print set (DPOF)] (pg. 272)
Select [MTP/PTP] in camera [USB] menu and connect camera to
printer (pg. 264)
Print photographs
one at a time
(pg. 265)
Print multiple
photographs
(pg. 268)
Create index prints
(pg. 271)
Disconnect USB cable