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

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Canon MP 780 Won't print black and white

My canon mp780 won't copy black and white copies, it copies color just fine

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  • Anonymous Mar 13, 2014

    my canon mx340 will print black but not copy black

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  • 18 Answers

First off I would recomment a new printhead. Short of that run the printhead alignment and calibration.

Posted on Jun 19, 2009

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1 Answer

My printer won't print? it has full ink cartridges.How do i fix it?


Maybe your cartridges are not out of ink. Try it with another game cartridge kit...

Apr 30, 2012 | Canon PIXMA MP780 All-In-One InkJet...

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Canon PIXMA MP780 - will copy only in greyscale and color - not in black and white


Try first fo clean the cartridge/nozzle using the printer utility installled on your computer then after that try to print a plain text and see if its working fine already...

Good luck........

Aug 16, 2008 | Canon PIXMA MP780 All-In-One InkJet...

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Can not get printer to print in black and white


Hi, May be you printer had been set auto color. To set it manually, go to printer setup in your computer. Select you file you wish to print the click print. On pop up printer set up you should see Canon MP 210 series printer. Then Click properties, you can see now the printer options like media, quality, paper source, color, greysacle and priview. Click greyscale to get monochrome printing.click Ok and Ok again. You should get a black white ( BW) printing result. In addition, to duplicate the file to get hard copies from your printer press Black button before do copying to get non color hard copy.

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1 Answer

Blurry Scanning/Copying


Are you scanning both black and white and color the same way? The ADF (automatic document feeder) uses a different scanning area than when you place the document on the scanning glass. If you open the scanner cover, look to the left of the main scanner glass to the narrow strip used for the ADF. Make sure this narrow strip is clean -- no ink or white-out or scratches. This can make your copies look dirty or smudged.

Jul 26, 2008 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

Big Black not printing


Sounds to me your print head is plugged up. This is not usual though because the majority of people use black ink much more. So, in your printer utility, do a deep cleaning. If that does not work, there is a thing called a purge unit in it. This is a usual way of draining waste ink to a pad that soaks it up. if the hose, or other parts are clogged, it backs the ink up and causes the print head to clog. If this is the start of it, do not waste your ink cleaning, and try not to let it sit too long. Contact canon, and let them kno what you think it is.

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Canon pixma mp780 Copying mode very slow


is this using it on its own[Stand alone mode] or through the computer?

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