The HP 11 Printhead is designed to deliver exceptional speed and print quality using ultra-small ink drop technology. The HP 11 Printhead contains smart technology that optimizes print quality and monitors printhead health. The integrated printhead is around 1.25 cm wide, with 304 nozzles, resulting in printing up to twice as fast as previous inkjet printers.The HP 11 works as a modular system with HP 10 black ink cartridges and HP 11 or HP 82 colour ink cartridges.. For use with: HP Business Inkjet 1000/1100/1200/2300/2600/2800, HP Designjet 100/110/111/120/20/50, HP OfficeJet 9110/9130, HP OfficeJet Pro K850Separate black and colour printheads allow individual replacement when needed:. HP 11 Colour Printhead (Cyan) 1390100006. HP 11 Colour Printhead (Magenta) 1390100007. HP 11 Colour Printhead (Yellow) 130100008Please note that this item is delivered direct from our supplier and may take a little longer to arrive.