Anonymous posted an answer for this Canon PIXMA MP780 All-In-One InkJet Printer:
"How do I use two-sided function on my PIXMA MP780?"
Anonymous posted an answer for this Canon PIXMA MP780 All-In-One InkJet Printer:
"To print "two-sided" (a.k.a. duplex), open your printer's properties before you print, go..."
Anonymous posted a question about Canon PIXMA MP780 All-In-One InkJet Printer:
"Hi, I have this strange effect with my MP780 that all it does is show the faint black bar..."
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