| 摘要 |
The liquid droplet ejection apparatus comprises: a first color ink nozzle group in which a plurality of nozzles ejecting ink droplets of a first color are disposed; a second color ink nozzle group in which a plurality of nozzles ejecting ink droplets of a second color are disposed; and a treatment liquid nozzle group in which a plurality of nozzles ejecting droplets of a prescribed treatment liquid are disposed, the treatment liquid nozzle group being positioned on an upstream side of the first color ink nozzle group and the second color ink nozzle group in terms of a sub-scanning direction, wherein: the first color ink nozzle group and the second color ink nozzle group are disposed in displaced positions with respect to each other in a main scanning direction; and positions in the main scanning direction of the nozzles of the treatment liquid nozzle group lie between the positions in the main scanning direction of the nozzles of the first color ink nozzle group and the positions in the main scanning direction of the nozzles of the second color ink nozzle group.
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