Simply plug the ink bottles into the ink tank and let them drain—no squeezing, no spilling. What's in the box: 3 new Original HP 31 Ink Bottles — 1 cyan, 1 magenta, 1 yellow (9C228AN. These bottles work with: HP Smart Tank 5101, 5102, 5103, 6001, 7001, 7002, 7301, 7302, 7602; HP Smart Tank Plus 551, 570, 578, 651. ).
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