Ink tank and ink jet printer

A foam ink, claims a detection part, and a detector is processed, a step part of the detection with a to the number or printer for displaying the diameter of surplus ink in the ink of ink box. The ink braided sub-ink room according between the main ink chamber and foam ink discharging comprises a or a. When of the flow to the sub-ink the air number, the right-angled triangular prism's one or more reflection surface and regain two reflection surface functions, a transmitting of the ink to exhaust detection. Inlet Zimo box the bubble definitely to the guide is a bubble storage device is one or more reflection surface of the. Is a comprise a narrow edge width of the channel (comprising a reflection surface also), the bubble is pressed to one or more reflection surface and a a extruded, and a surface contact with the back. And avoided one or more reflection surface is used to retain cover of the bubble middle gap. Die, the ink exhausting is a step of the upper detection with.