YoYoInk Remanufactured Ink Cartridge Replacement for HP 901 901XL (2 Black) LISTING INCLUDES - 2 PACK (2 901XL Black) - Est. Page Yield - 700 Pages (Black) COMPATIBLE HP PRINTERS - HP OfficeJet: J4524, J4525, J4535, J4540, J4550, J4580, J4585 INK LEVEL INDICATOR - Benefit from our smart chip with ease to track ink levels in your printer to AVOID running out of ink cartridges or annoying alert messages SUPERIOR QUALITY - Resists fading, smudging and bleeding with YoyoInk Color technology to allow you to print true-to-life photos and images and laser-quality text which withstand fading for decades. Built to meet or exceed OEM specifications 2 YEAR NO HASSLE WARRANTY - 100% No Hassle Money Back Guarantee with 2 Year Warranty