 HP C9393AN (HP #88XL Yellow Cartridge 28ml Ink) Compatible with HP Officejet Pro K550 Series and K5400 Series, L7580, L7590 L7780. Page yield approximately 1210 pages Market price: $36.08 Sale price:  |  HP C9391AN (HP #88XL Cyan Cartridge 28ml Ink) Compatible with HP Officejet Pro K550 Series and K5400 Series, L7580, L7590 L7780. Page yield approximately 1210 pages Market price: $36.08 Sale price:  |
 HP C9392AN (HP #88XL Magenta Cartridge 28ml Ink) Compatible with HP Officejet Pro K550 Series and K5400 Series, L7580, L7590 L7780. Page yield approximately 1210 pages Market price: $36.09 Sale price:  |