by Donald BressellfordInkjet printers contain detachable cartridges, which are where the ink is stored and dispensed from. This is the “inkjet cartridge” and, in addition to the ink it also usually functions as the printing head.Multi-colors (up to six at this time) or single color cartridges are used by different printers. Which type is used depends entirely on the manufacturer and the model printer in use. To provide electronic feedback to the printer from the inkjet cartridge, most companies