A drop ejection device comprising: a group of orifices (230, 325, 330) in a nozzle region (220, 320) of nozzle plate adapted to eject fluid drops, wherein the orifices (230, 325, 330) in the group are arranged in a 2D pattern, the group of orifices comprises orifices having two different dimensions, and an orifice having the larger dimension being positioned in the center of the nozzle region; a fluid conduit fluidly coupled to the group of orifices (230, 325, 330); an actuator capable of ejecting fluid in the fluid conduit through at least two of the orifices (230, 325, 330 in a group; and a controller coupled to the actuator; wherein the orifices (230, 325, 330) and the controller are configured such that the fluids ejected from the orifices (230, 325, 330) merge into a fluid drop having a particular drop volume at the nozzle plate; each orifice (230, 325, 330) having opening dimensions in the range of 1μm to 100 μm; the controller being configured to select one of a plurality of different drive voltage waveforms the controller being configured to apply a first of the plurality of different drive voltage waveforms to cause fluid to be ejected from the orifice (230, 325) having the larger dimension and not to be ejected from orifices (230, 330) having a smaller dimension, or a second of the plurality of different drive voltage waveforms causes fluid to be ejected from the orifice having the larger dimension and an orifice having a smaller dimension (230, 325, 330); and a pressure regulator configured to apply a negative pressure below atmosphere pressure to the fluid at the orifices (230, 325, 330). a group of orifices (230, 325, 330) in a nozzle region (220, 320) of nozzle plate adapted to eject fluid drops, wherein the orifices (230, 325, 330) in the group are arranged in a 2D pattern, the group of orifices comprises orifices having two different dimensions, and an orifice having the larger dimension being positioned in the center of the nozzle region; a fluid conduit fluidly coupled to the group of orifices (230, 325, 330); an actuator capable of ejecting fluid in the fluid conduit through at least two of the orifices (230, 325, 330 in a group; and a controller coupled to the actuator; wherein the orifices (230, 325, 330) and the controller are configured such that the fluids ejected from the orifices (230, 325, 330) merge into a fluid drop having a particular drop volume at the nozzle plate; each orifice (230, 325, 330) having opening dimensions in the range of 1μm to 100 μm; the controller being configured to select one of a plurality of different drive voltage waveforms the controller being configured to apply a first of the plurality of different drive voltage waveforms to cause fluid to be ejected from the orifice (230, 325) having the larger dimension and not to be ejected from orifices (230, 330) having a smaller dimension, or a second of the plurality of different drive voltage waveforms causes fluid to be ejected from the orifice having the larger dimension and an orifice having a smaller dimension (230, 325, 330); and a pressure regulator configured to apply a negative pressure below atmosphere pressure to the fluid at the orifices (230, 325, 330).