THE BLACK IS IN THE CORRECT SLOT. iT IS JUST THAT THE COLOR TANKS ARE NO LONGER PRESENT. aRE YOU SAYING THAT THERE HAVE TO BE COLOR TANKS IN THERE FOR THE BLACK TO WORK? whAT A WASTE OF MONEY,
I am experiencing the same problem. I took out the empty color cartridges because I only use it on black and threw them away. I have put one of the large black cartridges 220 in the large space. All I get is the error message UO43 and the alarm go...