Device with printing ink liquid level alarm function

The utility model provides a device with a printing ink liquid level alarm function. The device comprises at least one ink box, the device further comprises a control circuit board and an alarm. The control circuit board is electrically connected with the ink box. The control circuit board is provided with a signal line extension socket. The ink box is provided with a liquid level sensor, the liquid level sensor and the alarm are electrically connected with the signal line extension socket, during work, the liquid level sensor senses the liquid level condition of the ink box in real time and feeds back sensing information to the control circuit board, and the control circuit board controls the alarm to give an alarm. According to the ink supply device, through ink alarm, the use conditionof ink can be known in time without frequently observing the liquid level of the ink manually, the effect of uninterrupted ink supply of the ink is achieved, and the device is simple in structure andeasy to operate. 本实用新型提供了一