HP 11 Yellow Ink Cartridge (C4838A) for 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. HP 11 ink cartridges work 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. Cartridge yield (approx.): 2,550 pages. Up to 2x more prints with Original HP ink vs refill cartridges. Original HP ink cartridges: genuine ink for your HP printer. Ensure that your printing is right the first time and every time with HP printer ink: 11 ink. What’s in the box: 1 New Original HP 11 ink cartridge (C4838A). Color: Yellow.