Ink cartridge venting

Incremental printing of symbolic information – Ink jet – Fluid or fluid source handling means

Reexamination Certificate

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Reexamination Certificate



An ink cartridge comprising: (a) an ink cartridge body including a floor and an exterior wall partially defining an interior volume, the ink cartridge body including a capillary producing medium; and (b) an ink cartridge cap mounted to the ink cartridge body to substantially enclose the interior volume, the ink cartridge cap including two vents in direct communication with the interior volume, wherein a first vent incorporates an ink supply port. The invention also includes the utilization of a universal ink tank lid for use both in replacement and starter ink tank configurations, as well as methods of utilizing a universal ink tank lid to reduce production costs and complexities.

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