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

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My Canon Pixma MP780 does not print properly, I have been told I probably need a new printhead. Can anyone advise me where I could get one, how much it might cost and if it is easy to fit

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6 Suggested Answers

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Posted on Jan 02, 2017

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old marine
  • 1992 Answers

SOURCE: Lost installation disk for canon pixma mp780

Go to this link. Wait a few seconds for all the files to load. Select your OS in the box, then wait a few more seconds, and you will see the drivers displayed.

You will need to download and install both the driver and the MP Navigator (under the Software heading). Click on the link and follow the instructions to install.

Posted on May 20, 2008

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SOURCE: Canon Pixma MP780 "Wrong Cartridge" Error Message

Canon support has a print head replacement (it's the black thing that the ink cartridges sit in) for about $50 including UPS ground shipping. Their phone number is 1-800-828-4040, part number is QY6-0049-000. I was going to buy one, but when I talked to the parts dept., they sold me a new one (with same capabilities, including duplex printing) for $120 plus tax and free ground shippping - with 1 year warranty on all parts. You can decide, mine was a few years old and is starting to have multiple problems, so I opted for the new one.

Posted on Jun 27, 2008

  • 3 Answers

SOURCE: On my Canon Pixma MP780 a vertical line appears on copies made using ADF

I tried the other solutions listed here - and no luck. After cleaning the inside of the ADF, like the manual suggested - no change. How are you supposed to do that anyway? Deep cleaning the inside of the machine also has nothing to do with it.

I finally figured out why things that I copied with the ADF had lines/marks on them, but those placed directly on the platen (big glass) were fine. When you copy with the ADF, the copy is not being made from the large glass area. Rather, there is a thin glass area right next to it.

Turns out, there were a couple of smudges (goo) on that thin piece of glass which were creating long vertical lines down every sheet. Cleaned the glass - problem solved!

Gosh, I hope this helps someone else save some time, and frustration.

Posted on Dec 03, 2008

clyde2j2
  • 137 Answers

SOURCE: How do I remove the printhead Canon Pixma MP780

OK lift the gray lever up and remove the cartridges, look just below the gray lever and you will see two rounded protrousions inside towards the rear of the black box, grasp these protrousions with your thumbs and forfingers and gently pull toward you, ther may be some resestance but pull smoothly do not ****, the print head will come out.  There are no wires to disconnect the circuits are touch circuits.

Posted on Jan 29, 2009

michael_grey
  • 365 Answers

SOURCE: 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.

Posted on Jun 17, 2009

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2 Answers

My mp780 will not print light cyan or magenta...It prints all the dark colours on the print test perfectly but leaves the light ones missing. I have tried a new printhead and it has new canon cartridges....


Most likely the print heads are dirty and need to be clean. The user manual for the Canon should tell you how to do that, but in case you don't have the manual, you can get it here: http://goo.gl/iIylF

Mar 06, 2011 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

Printer won't print black ink


The black is always the first to wear out on the printhead. If you are using a refilled cartridge check the side of the cartridge, if you can see ripples near the hole at the bottom then the blotter material has been pushed up inside and can't contact the filter in the printhead. If all is good you will need a new printhead, QY6-0049-000

Feb 25, 2010 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

Canon Pixma MP780


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

Nov 18, 2009 | Canon PIXMA MP780 All-In-One InkJet...

2 Answers

Canon pixma mp780 auto feed does not print


You probably need a new printhead, but that problem cann also be caused by the purge or cleaning station not working properly. If you do a cleaning cycle with no carts. and the little pads in the printhead come back with no ink on them then the purge is working and you need a new printhead.

Aug 09, 2009 | Canon PIXMA MP160 All-In-One InkJet...

2 Answers

Canon MP780 not printing colours properly.


please you clean your cartridge maintainence program then solve your problem you also head clean

Jul 21, 2009 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

Canon Pixma MP780


The printhead is plugged or burned out for the 3EBK. You need a new printhead, QY6-0049-000, around $40.00.

Jul 01, 2009 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

Canon MP 780 Won't print black and white


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

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

1 Answer

Print head overheat


You can buy a new printhead, if that is the problem. did you try printing after the machine cooled down?
Try going on eBay and search for an MP780 printhead...it should cost about $50-60 or about $60-85 elsewhere, check Canon too.
Possibly, a cleaning kit might unclog anything plugged, though a electrical problem is probably fixed only with a new head. New heads snap in to the printer...Good Luck!

May 28, 2009 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

Printhead problems Canon PIXMA MP780


that definitly sounds like it needs to be replace, have you tried using the printhead cleaning utility?

Dec 23, 2008 | Canon PIXMA MP780 All-In-One InkJet...

3 Answers

Canon Pixma MP780 "Wrong Cartridge" Error Message


I have two Pixma 780's. After getting the "wrong cartridge" error one day when I turned it on, (I knew it was the right cartridge) I tried switching ink tanks, and the print head cartridge several times between the two printers. the problem followed the black print head cartridge, so I am guessing I need a new one. From that experience, I would recomend swithing the print cartridge if you get this error. Does anyone know how to do a reset on this machine? A Canon tech told me once, but I lost the info.

Jun 05, 2008 | Canon PIXMA MP780 All-In-One InkJet...

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