Limeink 4 Remanufactured Ink Cartridges 88XL High Yield for use in OfficeJet Pro K5400 K550 K8600 L7480 L7500 L7550 L7555 L7580 L7590 L7600 L7650 L7680 L7681 L7700 L7750 L7780 Printers Cartridges come filled with chip, show accurate ink levels, and work with all new printers. Compatible HP OfficeJet Pro Printers: K550 , K8600dn , L7680, K550dtn , L7000 , L7681, K550dtwn , L7480 , L7700, K5400 , L7500 , L7710, K5400dn , L7550 , L7750, K5400dtn , L7580 , L7780, K5400tn , L7590 , K550XIDT, K5456DN , L7600, K8600 , L7650. Page yield: 2450 pages per black cartridge,1700 pages per each color cartridge. All cartridges go through a rigorous quality control procedure and undergo testing at the component level, testingfor electrical circuitry, printhead cleaning, filling to capacity, and a final print test. Included: 4 Pack 88 XL cartridges (1 Black, 1 Cyan, 1 Magenta, 1 Yellow)