Colour: Yellow Yields up to 24,000 pages HP 11 ink cartridge works with: HP Business Inkjet 2800, 1000, 1100, 1200, 2300, 2600, cp1700. HP Designjet 10, 20, 50, 100, 120, 70, 100, 111, 500, 510, 800, 815, 820. HP Officejet 9110, 9120, 9130. HP Officejet Pro K850