a printing apparatus includes : a nozzle head including a nozzle head main body and a plurality of linear nozzle units for spraying a printing material , the linear nozzle units on one side of the nozzle head main body and elongated in parallel in a first direction ; and a nozzle head driver connected to the nozzle head main body and configured to move the nozzle head in a second direction crossing the first direction . in such a printing apparatus , a dry spot due to a printing time difference may be reduced or prevented , a uniform printing pattern may be formed , printing quality may be improved , and defective products may be reduced . in addition , the effective spacing between separate spray nozzles may be reduced or minimized .