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

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Flashing "wrong cartridge" and won't print.

My Cannon Pixma MP780 will not print a document. It is flashing "wrong cartridge." Per the instructions that came up on my computer screen I hit ok, which didn't clear it and then turned it off like the instructions said. That did not clear it, and it still flashes "wrong cartridge" and won't print. Can you help?

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  • 192 Answers

You may have a cartrage in the wrong spot like you may have the coler and the black cartrage swithced from where they should be.

Posted on May 20, 2009

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1 Answer

Cannon Pixma MP780 won't print. Just replaced black ink cartridge, do I have to replace all of them for it to print


Not normally but the black print head nozzles maybe blocked.
Inkjet printers need to be used frequently to prevent ink drying out and blocking the print head nozzles.
If the print head cleaning maintenance routine does not clear the blockages, then print head needs replacing, but it may be expensive.
It may be more cost effective to buy a later model and better printer than replace the print head.

Mar 08, 2013 | Canon PIXMA MP780 All-In-One InkJet...

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Prints only parts of document as well as only parts of web pages now i have wrong cartridge flashing


Check cable. Sounds obvious but bad connections are a problem.

Check Cartridge, rebuild?

Is the print stopping or is it fading away?
Fading away a cartridge issue.

Stop printing at the same point. This may be a corrupt driver issue, reload driver. Remember to remove the printer first then reload.

Jan 10, 2010 | Canon PIXMA MP780 All-In-One InkJet...

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"Wrong cartridge" error when in fact it is the right cartridge


On this machine it means the printhead is bad. QY6-0049-000 around $40.00

Jul 19, 2009 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

Mp780 wrong cartridge error


Try to reset to factory .
Remove ink cartridges and print head.
Power off machine and unplug for 10-15 minutes.
Restart machine and install head and cartridges.

Jun 13, 2009 | Canon PIXMA MP780 All-In-One InkJet...

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PIXMA MP780 "WRONG CARTRIDGE" MESSAGE?


PIXMA MP780 "WRONG CARTRIDGE" MESSAGE?
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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