A liquid discharging device to be used with a liquid dispensing apparatus includes an actuator configured to cause a discharge of a liquid according to an electrical signal supplied from the liquid dispensing apparatus, and a first wiring pattern connected to the actuator and configured to electrically connect the actuator to a driving circuit of the liquid dispensing apparatus when the liquid discharging device is mounted on the liquid dispensing apparatus, the first wiring pattern including a disconnection portion configured to introduce an electrical disconnection in the first wiring pattern between the actuator and the driving circuit according to a predetermined supply of electrical power from the driving circuit.