Inkformation Online > Inkjet Cartridges > Hewlett Packard > Photosmart > Photosmart 7400/ 7450         HP C6656 (No 56) Hewlett Packard C6656 Remanufactured Cartridge - Black  Price:  £11.99 Quantity:                 HP C6657 (No 57) Hewlett Packard C6657 Remanufactured Cartridge - Colour  Price:  £15.99 Quantity:                 HP C6658 (No 58) Hewlett Packard C6658 Remanufactured Cartridge - Photo Colour  Price:  £15.99 Quantity: