The dye sublimation printing processes is the closest
you can come to photo-lab-quality results at home. With traditional photo laser
and inkjet printing methods, images are made up of individual coloured dots.
Yet when these printed materials are examined closely, the dots don't
add up to a very realistic photograph.
Dye-sub printing works by rolling a continuous cellophane film that is impregnated
with four solid colour dyes over the paper, one colour at a time. As each
section of coloured film passes over, the print head heats up to differing
degrees and impregnates varying intensities of yellow, magenta, and cyan
(corresponding to CMYK) onto the glossy surface of the paper. This process is
also sometimes called dye diffusion thermal transfer.
The diffusion of each CMYK dye into the glossy paper is softer, so there
aren't the sharp edges of individual pixels. The sublimation process produces a
glossy image which should last years without fading, is waterproof (although the
paper is not), and won't smudge.
Furthermore, because replacement paper and colour films are
sold as a kit, there is an exact number of colour films for
the exact volume of paper. The downside to this
is a paper jam will mean one image worth of colour film
At first glance, the Samsung SPP-2040 is such a compact device that it's easy to jump to the
assumption its battery powered. It is not... although that would be
a very desirable capability. The unit weighs just over 1.0 kg, and measures
a scant 18 x 14 x 7cm in size so it is quite
From the top of the Samsung SPP-2040 we see the power button (outlined in
blue) at left, the 2" colour LCD screen which can fold up or down for better
horizontal viewing, the Control pad, Zoom In/Out buttons, Menu, Cancel, and
At the left hand side of the SPP-2040 there is the DC-power jack, USB2.0
type-B port which connects the unit to a computer, and USB1.1 type-A jack for
the bluetooth adaptor or cable directly to a PictBridge-enabled digital camera.
The 2" LCD screen flips up to about 45 degrees, but the mechanism feels very