While your Brother J1205W has INKvestment Tank technology, it still takes advantage of ink cartridges. These INKvestment Tank cartridges maintain a great deal more ink than a normal ink cartridge, but they have to get replaced ultimately. (Brother guarantees an entire year of printing with the starter cartridges they provide.) https://sergioxtngq.yomoblog.com/44795784/the-definitive-guide-to-hp-printer-ink-levels