Methods and apparatus for backlit and dual-sided imaging are described. A
print head array is provided comprising first and second print heads
arranged along a single print head axis. The first print head is adapted
to print first and second images on a substrate, and the second print
head is adapted to print a coating layer between the first and second
images. The coating layer may comprise a specialized printing fluid such
as a layer of substantially white ink. The substrate may comprise a
substantially translucent or substantially clear material.