Question about Canon PIXMA MP780 All-In-One InkJet Printer
This sounds like a blocked print head. If cleaning does nothing then i would replace the print head with a new one and see if problem is solved. If still the same it could be a break in the ribbon cable to the carriage and possibly a fault within the purge unit. It could be a costly repair!!
Posted on May 23, 2011
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Posted on Jan 02, 2017
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