I was looking to supply our hated printers with ink not from that supplier. I had asked the zoo if they wanted to change brands of printer but was told no they will suffer with them.
One genuine original cartridge would buy four (high capacity) cartridges – two of each.
Colour page estimate was the same, but the black one varied by over 10% more for the non hp cartridge. I guess the tco arguments mean do not buy genuine ink from hp.