Question about Canon PIXMA MP780 All-In-One InkJet Printer
The black cartridge printhead needs to be cleaned or replaced. Follow your printer manual instructions.
Posted on Mar 20, 2007
The MP780 will not put up with non genuine ink, you will need a new printhead and probably a new purge unit. Now people will jump up and down and say I'm wrong, but I am not as I fix the things.
Posted on May 20, 2007
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