print problem

My company has a printing plant, i'm the packaging lead. I was just sent a PIC by a floor employee. Boss is away for at least a week. The KBA just started doing what the pic shows! what happened? it was running fine.

I have started to get some vertical cyan and black lines on my prints. It is now happening more frequently and can range form a few fine lines to near solid patched as shown in the attached image. I have changed the printheads but this has not solved the problem. Paper type and software makes...

Hello All, I am facing a strange problem with my C220. The color registration is going everywhere. its not consistent at all. The shift direction is also not constant. Whereas if I am running a preprinted paper (back side printing) the problem is not there at all. I have tried changing drum...