According to Brother, you will go for a year at least without a need to replace the inks. And what we get now is the MFC-J995DW supplied with INKvestment Tank Ink System - one of the greatest advantages of this printer. With the modern tendency to cut down ink costs, Brother has done its best to create high-capacity liquid-filled cartridges that would last from one to two years. It deftly combines convenience, efficiency, and productivity - the things that most small offices will definitely like. The Brother MFC-J995DW is another decent all-arounder that brings quite a lot of officeworthy features to the table.