US Patent 7562957 Methods and apparatus for backlit and dual-sided imaging

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.