Question about Canon PIXMA MP780 All-In-One InkJet Printer
I have the same problem! I used the MP780 for over a year, since then the problem occured. In the beginning I just had to use the calibration tool but later I had to clean the surface of the scanner, to avoid dust, but now the dust is on the backside of the glass-surface and so unreachable. So according to what I think, it's more a problem of dust than a mechinacal problem.
Posted on Dec 26, 2007
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Posted on Jan 02, 2017
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