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

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I have a canon pixma mp780 and ink is full but isnt printing?

I have already troubleshooted and did a print test and everything checked out. I bought this printer about 4years ago and hardly ever use.

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Take cartridges to and ink refill store they will test them for free nozzles maybe clogged,i have soaked then in rubbing alcohol to unclog! Store will be able to determine what is wrong that what i do now,I refill my own but if it starts having issues i take to cartridge world to have them test on machine!!GOOD LUCK!!!

Posted on Jun 22, 2009

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1 Answer

My cyan ink won't print. i have tried EVERYTHING.


The printer cannot use photo inks like Photo Cyan or Photo Magenta. Be sure to use "BCI-6 Cyan" in position 5 - farthest to the right.

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

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I have a Canon PIXMA MP780. It won't print except


If you can print the nozzle test then that proves most of the electronics, it could be the driver is screwed.
Since you can get something out that is intelligent e.g. the larger font lettering then it is processing the file sent to it.
By that I mean rasterising it, converting it to dots of ink, so it can print onto the page as the heads moves back and forth.
Why not try another computer and connect your printer to that one, or try a different file, or even send it a file you've printed successfully in the past before you started to have this problem.

Sep 26, 2009 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

Waste Ink near full shows on screen. Won't print!


Hi ...

Cannon Pixma MP780 have an absorber and this error is related to this absorber.

This printer has an ink absorber that takes in ink during the printing and print head cleaning processes. The cleaning process is necessary in order to keep the print head nozzles from becoming clogged. Over the life of the printer, the amount of ink that the ink absorber has absorbed is calculated by the printer. Eventually, after substantial use, the printer will enter an error condition when the ink absorber is nearly full. At this point, printing is still possible. Press the <Stop/Reset> button to cancel the error. You will still be able to print for a short period. To protect the printer from damage, you will not be able to print at all once the ink absorber is full.
Canon recommends having the printer serviced before the absorber becomes full. Replacing the ink absorber is a complicated and potentially messy procedure. Even if the ink absorber is successfully changed, the ink absorber counter must be reset.

I would suggest that you take your printer to the nearest cannon service centre and get it repaired.

Don't forget to vote if this helps ... Cheers :)

Jul 17, 2009 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

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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

Black ink in canon mp780 will not print black


take cartridge to a ink refill store(cartridge world,etc)they can test for free,also make sure that your contacts are clean were cartridges mate with machine,clean with alcohol,qtip,and canned air!! GOOD LUCK!!!

Jun 22, 2009 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

Canon Pixma mp780 printer will not print colors


I just bit the bullet and went out and bought Canon ink and replaced all my other Print Pal ink cartriges and my printer works like a charm again.

May 09, 2009 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

OS X - Canon PIXMA MP780 printer won't print black


Unfortunately, I can't link you directly to canon's support pages, but if you go to this link, and enter won't print black and search, you'll get a list of possible solutions to troubleshoot this error. I'd start by checking your cartridge for ink,reseating it, print a test page, recalibrate the print head, etc. But that will get you started, at least.
If you have further problems please reply to this post and we'll help you get it sorted out...

I hope this information allows you to resolve this issue. If you need further assistance, please post back with a comment to this thread.
If I've managed to answer your question or solve a problem, please take just a moment to rate this post....thanks!



May 02, 2009 | Canon PIXMA MP780 All-In-One InkJet...

2 Answers

My Canon Pixma MP780 is saying "waste ink absorber is near full"


Under the place where the inks park is a tray full of asorbent pads. It was the most awful thing to get to in my Pixma ip 2000. If you have a day to spare, and a work table, and some long needle nose pliers or maybe hemostats, and the usual tools, you can take the machine apart to get at it. Note which pads (and parts) go where, everything has to go back where it came from. The pads will rinse out with water, lots of it.

Apr 29, 2009 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

Can not print media


Basically ##343 means the waste ink absorber needs replacing (soaks the spilt ink up under the cartridges).

http://www.tradebit.com/filedetail.php/3901083-canon-pixma-mp780-service-manual

Link to an official Canon service manual. That should tell you how to change it.

Nov 07, 2008 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

Canon pixma mp780


Try uninstalling/reinstalling the drivers.

Is the error light flashing?

From the printer utility can you print a nozzle check sheet or align the printhead?

Does it seem to be printing (feeding sheet and moving printhead) or nothing happening at all?

Try removing all the tanks, take out the head. If blocked try cleaning manualy by running warm water over the ink ports/printhead jets - dry off and reinstall.

May 10, 2008 | Canon PIXMA MP780 All-In-One InkJet...

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