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

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Cannon Pixma MP 780

Will not print out Red Blue Green colors. It does print out Black and Yellow. All colors just refilled. Printer was cleaned and realigned.

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  • wgrossk Dec 15, 2008

    Tried Cleaning the nozzles under the cartridges which were just replaced. Guess that's what you meant. Also cleaned the actual color cartridge. Nothing happened any differently

  • wgrossk Dec 15, 2008

    What is the Head you refer to to clean and where is it located??

  • childsrs Dec 16, 2008

    I have exactly the same problem except I just replaced the colour cartridges with Canon replacement cartridges. I also pulled out the printer housing and cleaned it to no avail.

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Did you say the colors just "refilled"? If you are refilling the ink cartridges, there is no guarantee of it working whatsoever.

Posted on Dec 15, 2008

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Your MCY (color) cartridge is damaged, or either needs cleaning, try to remove this and clean the head with a soft cloth and re-install once again, if it doest work then replace the cartridge

Posted on Dec 15, 2008

  • ariel santos
    ariel santos Dec 16, 2008

    this is under the cartridge, where the ink actually burst out, sometimes it is hardened

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1 Answer

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Remove all cartridges, clean the ink from where the cartridges make contact with cloth,(paper towels can leave trash in there) be sure all is clean then replace the cartridges and print something. Those streaks shouldn't be there any longer.

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Maybe your printer cartridge that has been refilled got ink clogged. You can bring it to the store where you can let them clean it for you. It must be free for cleaning since it was refilled from them. Hope this help.

You can also clean your cartridge by following my instructions below:
BEFORE DOING BELOW INSTRUCTIONS,TRY TO CLEAN YOU CARTRIDGE FIRST USING THE DEEP CLEAN FEATURE OF YOUR PRINTER, THEN USE PRINT NOOZLE CHECK PATTERN.

1. Uninstall your cartridge.
2. Get a tissue paper.
3. Try to put the printer head over a small piece of tissue paper.

If you will see the three colors in the tissue(Cyan-close to blue, Magenta-close to red, and Yellow). It means it was not clogged, the problem is the chip of your color cartridge and needs to be replaced. But if the colors are blur and or nothing appears, it means the printhead of your cartridge is clog. You can proceed to step 4.

4. Try to put a little amount of water in a small piece of tissue paper and soak the printer head for a 2 min. Then remove it after.
5. Wipe the printer head with a dry tissue paper.
6. Reinstall the cartridge back to the printer.
7. Print a 4 basic colors, RED, BLUE, YELLOW and BLACK.
8. Clean the printer using the cleaning feature of your printer.
9. You can use deep cleaning twice. And Print a noozle print.
10. Hope it could help.



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1 Answer

Hi Ihave a MP-500 that prints off color.


You need a new printhead, QY6-0059-000, around $60.00. They do wear out and also plug when you use generic inks.

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Remove the black cartridge and soak it with an alcohol free window cleaner soaked paper towel let it sit on the towel for a good thirty minutes then wipe clean and put back in printer run nozzle check if necessary.

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On a picture that you have printed, when you see an area of green, what color should it be? You probably have reduced flow of one of the "balancing" colors. Blue, Yellow and Red add up to Black. If your picture is supposed to be almost black and you don't have enough red, the color will pull toward the blue and yellow, giving it a green tint.

Aug 04, 2009 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

MP 780 DOESN'T PRINT


Try printing something in a colored font, like red or green and see what happens. This printer uses two black ink cartridges. It uses the larger one for black text printing. If it is dry, blocked, or damaged, your text (usually black) will not print. Changing to a color font will rule that out.

Good luck.

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1 Answer

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check the cartiridge for ink ( epecial for the black cartiridge) try ro refill or replace to new cartiridge 

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Your color profile is off

Click on start / printer and faxes

right click on your printer and select properties

click on the color management tabe and selct another color profile

If that dont work

in the printing preferences (propteries) adjust the amout of maganta(red) down a bit to compensate for the rest..

but the problem is your color profile

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