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1)The charge electrode or the phase detector is dirty or wet. Flush the nozzle, the charge electrode and the phase detector. Dry the printhead.
2)The breakup of droplets is bad. Observe the position of the ink stream. If it is necessary, adjust the parameter.
3)Poor grounding. Check whether the grounding wire is in good contact.
4)The ink system is dirty or there is something wrong with the ink/top-up. Please contact engineers of Lead Tech.
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