YoYoInk 2 Pack Remanufactured Ink Cartridge Replacement for Lexmark 36XL & 37XL (1 Black 1 Color) LISTING INCLUDES - 2 PACK (1 36XL Black, 1 37XL Color) - Est. Page Yield - 500 Pages (Black), 500 Pages (Color) COMPATIBLE LEXMARK PRINTERS: X3650 X4650 X5650 X6650 X6675 AIO Z2420 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