epson stylus pro 7600

Hi there I have an Epson Stylus Pro 7600 color printer. I do nozzle checks daily and today Cyan gave me an odd print (1st picture). It's just incomplete? So, after the 2nd nozzle check (2nd picture), cyan looked like there was an air bubble in the ink line. I performed a cleaning and did a...

I activated (by mistake) "Initial Fill" for flushing all channels simultaneously in the "Diagnostics Mode" of my Epson stylus pro 7600 printer. This way a lot of ink would be wasted so I stopped the process by pulling out the power cable. (no other possibility). Now when I restart in normal...