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    Canon MP 780 Won't Print Black

    I have the same problem too! My black won't print. :( Please help me too. Thanks.
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    MP780 Big Black Won't Print.. Please help me.

    How do I get one with black dye ink please? I have tried it with so many new BCI-3bk cartridges. How do I do a purging please? Is that a hard task to do? What about cleaning the print head with metho or hot water? Would that help at all? Thanks.
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    MP780 Big Black Won't Print.. Please help me.

    Hi, I have been looking through some of the threads and noticed that others have had similar problems to me. My big black ink cartridge from my MP780 will not print. Tried all those nozzle checks and deep cleaning.. didn't improve it at all. I get a big blank area where the big black...
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    PIXMA MP780 purge unit

    Hi, I hope you don't mind me posting a reply here. I have been having a similar problem for months now. My big black ink cartridge from my MP780 will not print. Tried all those nozzle checks and deep cleaning.. didn't improve it at all. I get a big blank area where the big black cartridge...
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