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

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Printer only prints in blue

I have a cannon mp780 that only will print in blue????

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  • KathyC69 Mar 18, 2008

    Printing function through computer is fine but when I use it to copy, the copies come out in blue

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  • 406 Answers

Please see that other toners are empty Else see that your Printer is defective or damaged .

Posted on Mar 11, 2008

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1 Answer

Cannon Pixma MP780 won't print. Just replaced black ink cartridge, do I have to replace all of them for it to print


Not normally but the black print head nozzles maybe blocked.
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.

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My Cannon Pixma MP780 says "check printer select


I have same problem today. I think it might mean that the ink tank is full. Not the cratridge, but the blotters inside the base of the printer. Am still googling to find out if that is the problem. Bob. Australia

Nov 04, 2010 | 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

Wireless printing on Canon Pixma MP780 printer.


Excuse me I was wondering how i can tell if my printer has wireless capabilities? It is a: Cannon pixma mp780

Jan 11, 2009 | Canon PIXMA MP780 All-In-One InkJet...

2 Answers

Cannon Pixma MP 780


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

Dec 15, 2008 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

Cannon mp780 paper pulls to right hand side and jams everry time


printer loading tray have problem /something struck at left side of tray /check if something/if none / sometime it connot be seen its hide five cents .
clean also the incoming roller and outgoing rooler w/cotton tips w/ rubbing alcohol. test the printer.

Jan 08, 2008 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

Blue color will not print on Cannon MP780.


Well the first thing you do is check your settings in the printer properties

next verify that your blue(cyan) cartridge has ink

next take out the print head, soak it in menthylated spirit if rubbing alcohol for a few minutes, using a straw blow out the nozels,, next clean all the contacts that touches the cartridge..

if that dont work submerege the inkwell in boiling alcohol and that will clean out everything you might need to do a few cleening to get ink back in the well before it actually prints after

N.B. the method described above are unconvential but will work.
the reson it aint printing is cause the print head (ink well is clogged) or the contacts are dirty

ENJOY and be careful not to break anything

Dec 17, 2007 | Canon PIXMA MP780 All-In-One InkJet...

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