Features: 1) Color: black 2) Professional remanufacture 3) Type: OEM 4) Part. no.: 51645A 5) OEM compatibility 6) Number of pages: 833 pages at 5% density 7) Cost per page: USD0.0384 8) Inkjet cartridge 51645A is compatible for J710C /720C / 820Cxi / 830C / 870Cxi / 880C / 890C / 895Cxi / 930C / 950C / 970Cxi 9) Style: European package, American package, Asia package 10) Related models: HP6615d, HP6614d, HP6578d, HP1823d, HP8727a, HP8728a,HP6656a, HP6657a