INK CARTRIDGE AND AN INK CIRCULATION SYSTEM, WHICH PREVENT THE DECREASE OF PRESSURE INSIDE A FILTER UNIT

摘要

PURPOSE: An ink cartridge and an ink circulation system, which prevent the decrease of pressure inside a filter unit is provided to inflow of foreign material or air into the ink cartridge.;CONSTITUTION: An ink cartridge comprises a print head, an ink channel part(110), filter parts(130a,130b) and a septum part. The print head discharges the ink. A plurality of print heads supplies the ink to the ink channel part. The filter part filters the ink provided to the ink channel part. The septum part interlinks the ink channel part, one or more filter part and inkjet printer body. The ink cartridge is inserted between a lower case and an upper case.;COPYRIGHT KIPO 2010