An impulse ink jet apparatus (Figure 4) comprising a plurality of side-by-side chambers (32, Figure 5) extending along a line slanted (angle "A") with respect to a direction of scanning. Each of the chambers include a plurality of orifices (24) arranged along a line extending substantially transverse (e.g., vertical) to the scanning direction and means are provided (transducers 44 1 for ejecting a plurality of droplets from the orifices of each chamber