Question about Canon PIXMA MP780 All-In-One InkJet Printer

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Colors are not printing out true.

Although my ink levels show that I have plenty of ink, the colors are not printing out true. For example, my red color prints out brown, and my yellow color prints out lime green.
Also, anything that I print in black appears straffed (not solid). To correct this I have to do a maintenance cleaning each time. In fact, I have done a complete maintenance check (i.e. nozzle check, cleaning, head refreshing, roller cleaning, etc.) several times, but to no avail.
Recently I replaced my cyan ink cartridge (6-C) with an Office Max ink cartridge equivalent. I'm wondering if that is "gumming up" the works.

Can you make recommendations as to what may be causing this problems and how to address it?
Thanks,
Thom

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  • Anonymous Dec 09, 2008

    I have just replace the yellow ink with the same brand that I have always use. My brown is now lime green and the dark green is a bright green.

  • Anonymous Dec 19, 2008

    i have a canon printer i900D series photo printer. my magenta color comes out brown. how can i get it to print red. it's christmas! help! gotta know now. Ruth.

  • Larry Linch May 11, 2010

    It has been my general experience with ink jet machines that anytime you use an offbrand, generic or refill cartridge you are taking a gamble with the results. The very first thing I would try is to make sure all the inks in the machine are genuine canon. If that doesnt work, let me know.

    Larry

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I replaced the Office Max ink substitute with an original Canon ink. This did not help. I decided this problem most probably had to be a printer head issue, so I gave up and bought a new printer instead.

Posted on Dec 04, 2008

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