Patent ID: 6345890
Filing Date: 2002-02-12
Classification: B41J

Abstract:
An ink cartridge, which is contained in a cartridge container of a printer, comprising:an ink container; a vent which is provided in said ink container; an ink supply hole for accepting an ink supply tube, being in contact with a recording head of the printer so as to supply an ink thereto; an ink supply section which includes said ink supply hole and is engaged with a tube container, being formed in the cartridge container, containing the ink supply tube and having a recess shape; a closing member for closing said vent, and which is removed from said ink cartridge before said ink cartridge is used; and an installation stopper which is formed in one unit with said closing member and prevents said ink supply tube from entering said ink supply hole, when said ink supply section is inserted into said cartridge container without removing said closing member.