CISinks Continuous Ink Supply System CISS for HP 10/11 Printers - OfficeJet 9110 9120 9130 K850 BusinessJet 1000 1100 1200 1300 2200 2600 CP 1700 2280 2250 2230 2300 2600 2800 DeskJet 70 100 110 2000 - CIS Save Money over OEM inks Easy to install, Instructions included Printer modifications may be required Compatible With: HP OfficeJet 9110 9120 9130 K850 BusinessJet 1000 1100 1200 1300 2200 2600 CP 1700 2280 2250 2230 2300 2600 2800 DeskJet 70 100 110 2000