HP 11 Magenta Original Ink Cartridge (C4837A) Color: Magenta Cartridge yield (approx.): 2,000 pages Individually replaceable color ink cartridges maximize ink efficiency Get up to twice as many pages vs. with refills. Based on a Buyers Laboratory Inc. 2014 study commissioned by HP for the on-average performance of cartridges refilled and remanufactured compared to Original HP ink cartridges What's in the box: New Original HP 11 ink cartridge (C4837A) HP ink cartridge works with: HP Business Inkjet 1000, 1100, 1200, 2300, 2600, 2800. HP DesignJet 100, 110. HP OfficeJet 9110, 9120, 9130. OfficeJet Pro K850. HP Color Inkjet cp1700.