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

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My magenta ink wont print

Its only the magenta that wont work.

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  • Canon Master
  • 32,281 Answers

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.

Posted on Dec 02, 2012

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Posted on Jan 02, 2017

  • 59 Answers

SOURCE: Magenta printing as yellow

Well, first off, are the alignment, and nozzle check sheets looking good? If not, then work on that. If so, then we have a problem. Try creating a test sheet in Word. Make red, yellow blue & black text and see if anything else prints wrong. Get back to me!

Posted on Jun 19, 2007

SOURCE: Cyan, magenta and yellow not print after replace the new print head

I am going back to Epson

Posted on Jul 25, 2008

blackberries
  • 80 Answers

SOURCE: wont print ANYTHING if ONE ink cartrige is out

need to replace all to! some printers are like that wont print unless all inks are full and inplace!

Posted on Feb 27, 2009

  • 7 Answers

SOURCE: Canon Pixma IP5000 wont print cyan or magenta

Think you need to clean the sponge that the ink cartridges sit on in the head tray they are probably blocked with dry ink. You can remove the print head and tray by lifting the lever and gently lifting it out..... go here http://www.inkjethelper.com/
to see how to carefully clean it with compressed air. I had to do this too.

Posted on May 02, 2009

  • 117 Answers

SOURCE: MP530 all in one printer - bought Staples magenta

What you can do is take the ink cartridges out of the print head and remove the printhead. Hold the print head over a trash can and take some 409 cleaner and spray the little pads inside the print head til you start noticing the colors dripping into the trash can. You will them want to dry off the print head as much as possible and litely wipe off the outside and the bottom of the print head with a paper towel. Then reseat the printhead back into the printer and the inks. You will then want to run a nozzle check from your printer software or from the printer properties. If the inks still are not showing up run one or two cleanings. If the issue still persists then you might have to replace the printhead. If this is the case you can look up part number: QY6-0059-000 online to replace the print head.

Posted on Jul 01, 2010

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1 Answer

Magenta cart. wont print


The problem is most likely a bad Image Unit.

Xerox guarantees their supplies to be free from defects as long as their is a life percentage left and will replace it for free.
Take it back to the store you purchased it from and ask for a replacement, or have them request a replacement for you.

If the magenta fails (within 100 pages) after you replace the Image Unit, then your toner dispense mechanism is failing for the magenta toner, and either a dispense motor will need replaced, or the toner auger will need to be unclogged or replaced.

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Yes missing the magenta ink will cause it not to print. This is because its a color inkjet machine that uses one printer head for all four inks, so when one of them go empty you will need to replace that one for it to work.

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Magenta ink wont print


If everything else is working, except for Magenta toner; replace toner with a new one.

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I am out of magenta ink and the black still wont


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Unfortunatly this is the curse of Epson and most modern printers, to be able to print you need the full colour set available.
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Wont print


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1 Answer

Wont print with all new ink cartridges


If the error message is only "magenta/cyan low", it doesn't cause any error. The low message stays after replacing ink cartridges if they're replaced too early (before they're indicated as actually empty), it doesn't cause the printer to not work.
However, some other problem might be faulty, or there might be another error message. Try emptying printer queue and print from Ink Management -> Menu/set (twice) to check wether the problem is with communication from pc or if the printer actually is unable to print.

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1 Answer

C84 Wont print red


The printer colour cartridges are magenta, cyan and yellow. The printer prints "red" by mixing magenta and yellow ink. So, if you only get yellow when you print red, it means you aren't getting any magenta ink on the paper.

Have you tried a cleaning cycle? If not, try one (right click the little printer icon in the bottom right corner of the screen and select head clean). Now run a nozzle check (right click the little printer icon in the bottom right corner of the screen and select nozzle check). Is there any sign of magenta ink on the paper. Try up to three cleaning cycles. If ink is now flowing, but not yet perfectly, don't carry out any more cleaning cycles. Just leave the printer for 24 hours (to allow any air in the print head to disperse). Then repeat the cleaning cycle/wait process. It may take a while to restore a perfect nozzle check print.

If you have already done lots of head cleans with no result, are you sure you have a good magenta ink cartridge? To eliminate the possibility of a faulty cartridge, buy a new set of compatibles on E-Bay - they're very cheap. You can always re-use the old one later if it turns out it is OK.

If none of the above works, then you may have blocked magenta print head nozzles. You can try soaking the print heads for 24 hours (or more), as follows. Turn the printer on, and as soon as the print head moves out of its parking position, pull the power cord out of the back, or turn the printer off at the mains. You may now carefully move the print head by hand over to the left hand side out of the way. Look inside the print head parking area on the right and you will see a small rubber cup that comes up to cover the print nozzles when the head is parked (to stop it drying out). Use a syringe or dropper to fill this cup with head cleaning fluid or distilled water. DO NOT USE TAP WATER. Carefully push the print head by hand fully into its parking position so that the cup full of fluid
comes up over the print head. Do not turn the printer on at any stage in this process. Leave this for at least 24 hours, then turn the printer on and try a head clean/nozzle check again. If you get any magenta ink on the nozzle check, then there is hope! Repeat the process until you get a full magenta nozzle check. If nothing, repeat the process once more.

If still nothing, post a new comment detailing what you have done and the results.

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1 Answer

Wont print ANYTHING if ONE ink cartrige is out


need to replace all to! some printers are like that wont print unless all inks are full and inplace!

Feb 26, 2009 | Canon Pixma iP6600D InkJet Photo Printer

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