1.pull yiur cartridges out of the printer and face them as shown note:you can reset jiust one cartridge,or both at the same time with this procedure
2.place a piece of tape so that it just covers the top 4 contacts on the top left side of the contact area as show
3.reinsert the cartridges into the printer with the tape in place
4.close the lid and wait about 5 seconds