Ink box ink shortage detection device

The application discloses an ink box ink shortage detection device. The ink box ink shortage detection device comprises an installing plate and a containing box, wherein the containing box can containan ink box. The bottom side of the containing box is hinged to the top end of the installing plate, one end of the left side of a hinge point on the containing box is a triggering end, one end of theright side of the hinge point on the containing box is a power end, the triggering end and the power end of the containing box can swing around the hinge point, a balancing weight is arranged at thepower end of the containing box, the triggering end of the containing box is driven by the gravity of ink in the ink box after the ink in the ink box resists against the balancing weight to enable thetriggering end to swing downwards around the hinge point until the triggering end of the containing box is tightly attached to the top end of the installing plate, the triggering end of the containing box swings upwards around