No.11 Long-life Magenta Printhead Cartridge (24,000 pages) for HP Business Inkjet 1000, Business Inkjet 1100, Business Inkjet 1200, Business Inkjet 2230/2280, Business Inkjet 2300, Business Inkjet 2600, Business Inkjet 2800, CP1700, Designjet 100plus, Designjet 10ps, Designjet 110, Designjet 120, Designjet 20ps, Designjet 500, Designjet 50ps, Designjet 70, Officejet 9100, OfficeJet Pro K850 Printers. HP 11 printheads make professional quality cost effective for many printing needs - from quick Internet printouts to polished presentations. Long-life printheads, ink cartridges and the HP printer work together to produce the vibrant colour expected of professional presentations. HP printheads, ink cartridges and printers are designed together to work together. Smart technology in the system enhances print quality, reliability and cost effectiveness. The system makes automatic adjustments to optimize colour accuracy and maximize the life of the printhead. Smart features monitor ink levels, simplify installation and make ordering new supplies easy and efficient. The modular ink delivery system allows for economical replacement of individual printheads. This cost-effective printing system provides reliable, efficient operation that minimizes user intervention and maintenance - saving time and improving productivity. The result is clear to see - rich, vibrant colour every time you print.