Ink jet unit having an ink cartridge and the ink cartridge, ink jet device having the ink jet units

摘要

PURPOSE: To provide a replacement type ink cartridge easy of attachment and detachment and load charged to a recording head is controlled in the lower limit in a time for attachment and detachment. ;CONSTITUTION: A sufficient clearance is set up between the inside face 6002a of the opening part 6002 of a replacement type ink cartridge 6000 and the external wall 2200a of the ink feed pipe 2200 of an ink-jet head unit IJU.;COPYRIGHT: (C)1995,JPO