Thanks for the replies. Since my first post I have reseated the tanks & print head a few times, run numerous deep cleans & cursed a lot, then slept on it.
Now the magenta prints, albeit not perfectly, but no other colours.
The nozzle check test print has a row of boxes, A thru E; which 2 are...
Hi folks, I hope someone can help. I had done approximately 2 refills per colour with no problems (refilling each time at the low ink warning). I ran a Hi-res print & discovered that Photo Magenta was not printing, other 5 colours ok. Refilled tank, no joy. Installed brand new Canon tank, still...