Ink cartridge and inkjet printer

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

Reexamination Certificate

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Reexamination Certificate

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07040744

ABSTRACT:
A plurality of ink cartridges are detachably attached to a cartridge holder of an inkjet printer and are aligned in parallel. Each ink cartridge includes a projection or a recess formed at a side of the ink cartridge that faces the adjacent ink cartridge. A set of the projection and the matching recess of each pair of adjacent ink cartridges forms a matching set in which the projection engages with the recess to position the ink cartridges with respect to each other. Each matching set has a different shape. Thus, when the ink cartridges are attached to the cartridge holder, the ink cartridges are connected together as aligned in a predetermined order.

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