Why won't my black ink work?

the wires are connected, its installed, i have ink, and paper it just wont print! I have two printers and neither of them work

i just bought a new cartridge cleaned the heads of the printer everything i can think of but the black ink wont work. color is working fine

Well, its not really mine, but my dads, but Im still having a problem. The black ink used in the printer doesnt work and we have bought new ink recently, and this didnt fix anything. ...show more

My printer is not working well right now. I have an Epson Stylus cx3200 and when I try to print something, the colour ink works but the black does not. I've tried the nozzle check ...show more

black was empty replaced it but it still will not work. it only prints blank sheet of paper

my printer by brother MFC49CW the black cartridge doesn't work.

basically, i bought a printer, and with it came ink cartridges,i set the printer up and as far as i am concerned nothing is up with the printer as it is brand new. but after i had set ...show more

i put a new hp colour cartridge in the printer and it will only print black

or do they run out of ink super fast when you are printing text documents. I ask because my printer just ran out of ink. the printer costed 35 dollars. the ink refill costs 39 dollars. wish i had noticed that when i bought it. I saw a printer that runs...