Importance

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Abstract

The invention relates to a molded cartridge body including a substantially one-piece molded polymeric structure defining two or more ink cartridge positions and being removably mountable on a printer carriage. The molded cartridge body has a front panel member opposite a back panel member, side panel members connected to the front and back panel members and a bottom panel member having an ink cartridge side and a printhead side which is connected to a lower edge of each of the front, back and side panel members, the front, back, side and bottom panel members defining an open-ended cavity. The open-ended cavity contains an ink chamber for each of the ink cartridges, each of the ink chambers being in flow communication with a printhead attached to a printhead location on the cartridge body. A needle panel member containing an ink needle for each of the ink chambers is provided, the panel member being attached to the ink chambers so as to define closed ink chambers. Filter elements are disposed in each of the ink chambers between the panel members and the cavities for filtering ink to the printheads. The components of the ink cartridge body promote easy assembly of critical parts and improved yield of useable parts.

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First Claim