I did as Websnail suggested and looked to see if there were any traces of C in the CO when dabbing the print head into a damp kitchen paper. I could not see any C in the CO. Which should mean that there is no internal leakage in the printhead.
After soaking the print head in cleaner, then...
Thanks, guys,
My feelings are that there may be cross-contamination between the cyan and the CO. I did a partial clean of the print head by flushing it with de-min water then fitted new C and CO cartridges. I performed a nozzle clean cycle and a test print. The results were much better...
A bit of background. I am refilling my canon original ink cartridges with non-canon ink. My ink bottles have been standing for a couple of years. Could the pigments be flocculating and blocking the print nozzle or does the problem lie somewhere else?
I am an industrial paint inspector...
Hi, thank you for your reply.
I have attached a photo of the print test results. As you can see none of the group 2 colors print apart from a faint raising of the paper on CO. All of the group 1 colors print perfectly.
So, I guess the question is there a blocage point that would stop all...
I have been on a work contract away from home for just over a year. The printer was working as it should when I left but now none of the group 2 colors print on the test sheet. Could there be a clog in the print head affecting all of group 2 colors?
After deep cleaning group 1 colors print...