INK CIRCULATION APPARATUS AND METHOD FOR MULTI ARRAY PRINT HEAD

摘要

PURPOSE: A device and a method for circulating ink of a multiple print head are provided to reduce printing costs by improving a reusing rate of ink. CONSTITUTION: A device for circulating ink of a multiple print head comprises a circulation path and a pump. The circulation path comprises a supply path(230) and an exhaust path(250). The supply path connects the ink flowing paths of multiple print heads and supply ink. The circulation path discharges the ink. The pump is installed in the circulation path and presses and transfers the ink.