Question about Canon PIXMA MP780 All-In-One InkJet Printer
That's an older model, it gives no error code until you enter service mode and get the code. Service mode is only available to service techs since there several things you can do in there that could ruin your printer. You can find the nearest Canon service by calling 1-800-828-4040
Posted on Feb 04, 2010
a 6ya expert can help you resolve that issue over the phone in a minute or two.
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Posted on Jan 02, 2017
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