The ink cartridge of an inkjet printer is a peripheral that makes printing possible. It is the vessel loaded into the printer that contains ink. Depending on the manufacturer, a cartridge may contain four to six ink tanks of different colors. Some ink cartridges are outfitted with print heads like those of HP or Hewlett Packard while others have it built into the printer. With this arrangement, users are assured of stunning prints because of the presence of a new print head with every replacement ink cartridge.