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Amazon.com: Paeolos Compatible 564XL Ink Cartridge Replacement for HP 564 XL Use with HP DeskJet 3520 3522 Officejet 4620 Photosmart 5520 6510 6520 7520 7525, 9 Packs (3 Cyan, 3 Magenta, 3 Yellow) : Office Products
Amazon.com: 5 Packs Black Replacement for HP 564XL Ink Cartridge High Yeild Compatible with HP Photosmart 5520 6510 6520 7510 7520 7515 C6380 C310a : Office Products