Question about Canon PIXMA MP780 All-In-One InkJet Printer

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Canon Pixma MP780

When I want to print some with Canon Pixma MP780, It displayed "Wrong Cartridge" Error Message, and can not work.

Please help me.

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You get that message when the printhead goes bad. It's not the ink cartridges. You need a new printhead
# QY6-0049-000 around $60.00

Posted on Nov 18, 2009

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Here is what I did and it now works just fine.I turned off the printer and unplugged the power cord, and unplugged it from my computer. I then removed all the ink cartriges and removed the print Head I got some rubbing alcohol put it on some toilet paper and wiped down the back and bottom of the print head.Plugged everything back in and It now works better then ever.

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