Abstract: An ink-jet head assembly includes a plurality of ink-jet heads that are fixed mutually. A first ink-jet head has a plurality of deep cyan nozzles and a plurality of deep magenta nozzles, whereas a second ink-jet head has a plurality of light cyan nozzles and a plurality of light magenta nozzles. The plurality of nozzles of the respective inks are positioned in such a manner that the plurality of nozzles of an identical color and an identical density are arrayed substantially along a sub-scanning direction and that neither the nozzles of different colors nor the nozzles of different densities are located on an identical straight line extending in the sub-scanning direction. The respective one nozzles of deep cyan ink, deep magenta ink, light cyan ink, and light magenta ink are positioned to be aligned in a straight line extending in a main scanning direction.