Question about Canon PIXMA MP780 All-In-One InkJet Printer
If its new return it to the store you brought it in,
verify you have the correct cartridges abd enure you renoved the plastic protecting the cartridge circut
Posted on Dec 31, 2007
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Posted on Jan 02, 2017
Tips for a great answer:
problem could be due to a communication failure between one of the printheads
(cartridges) and the All-In One (AIO) or by a short in one if the printheads. Please follow the steps
below to identify and fix cartridge issues:
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