A printhead assembly for a wallpaper printing system that includes a
casing; a printhead module, the printhead module comprised of a plurality
of printhead tiles arranged substantially along the length of the
printhead module; a fluid channel member held within the casing adjacent
the printhead module, the fluid channel member including a plurality of
ducts, fluid within each of the ducts being in fluid communication with
each of the printhead tiles; and, each printhead tile including a
printhead integrated circuit formed to dispense fluid, a printed circuit
board to facilitate communication with a processor controlling the
printing, and fluid inlet ports to receive fluid from the fluid channel
member.