Generic Compatible Printhead for Hp 88 C9381a Black and Yellow C9382a Magenta and Cyan Compatible for Hp Officejet Pro Printers One set included 2 Pack Color : Black & Yellow ,Cyan & Magenta Compatible for HP Officejet Pro K550dtwn Inkjet Printer ; HP Photosmart 428 Digital Photo Inkjet Printer ; HP Officejet Pro L7780 All In One Inkjet Printer ; HP Officejet Pro K550dtn Digital Photo Laser Printer ; HP Officejet Pro L7680 All In One Inkjet Printer ; Hewlett Packard Officejet Pro L7650 All In One Inkjet Printer ; HP Officejet Pro L7680 Workgroup Inkjet Printer ; HP OfficeJet Pro L7580 All In One Inkjet Printer ; HP Officejet Pro K5300 Workgroup Laser Printer ; HP Officejet Pro K5400dn Workgroup Inkjet Printer