"OK so now it is wacky again.
Could this be a hint:
The first time it did black just like the OP's picture.
Then it switched to yellow, with a hint of black stripes.
Now it is magenta doing the crazy stripe, with a hint of black stripes.
"My printer was working fine, then last fall for no reason it started the black line issue. I called my tech and he said he would come out and share the travel with another customer. The other customer did not need him, but after a month or so my…"
"Then you have a loose cable connection. This problem does not just happen. So you need to inspect your cables for ink or movement. It is a communication issue that causes the head to fire when it is not supposed to. No one can tell you which cable…"
"How do you mean "touch the cables"?
Please explain for me? It is an intermitient problem... It does it, then it stops. I did not touch anything, and the printer was working perfectly. Then it starts this crap, then it stops and work fine…"