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

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Canon Pixma 780 won't print even with new 3e cartridge

Exact same problem...put in two different new 3e cartridges in my Canon Pixma mo780 and still won't print....

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I haven't used my canon pixma for a few weeks, came to use it again and the 3e black cartridge won't work, (tried printing from computer and copying) have done a clean, deep clean and nozzle check, even...


The black print head is clogged. The reason why the black is clogged and not the photo black or any colors is that the black is pigment ink and the photo black and colors are dye based ink. The pigment ink is a particulate formulation that binds up when water is evaporated out of the ink. You need to buy a new print head the fix the problem. You can buy a new print head for $75 from precision roller.com.

Mar 18, 2010 | Canon PIXMA MP780 All-In-One InkJet...

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I changed my Canon PIXMA MP780 3e cartridge, and


I have to ask this question of you, just to make sure this is not an issue. Are you using a factory new ink or toner cartridge?
Please consider the following:
If you are using a refilled (the absolute worst possible choice) or third party cartridges (2nd. Worst possible choice) that may well be your problem. Most manufacturers build logic into their products to prevent the use of “Other Equipment Manufactured” cartridges as well as re-filled cartridges.
They do this to prevent problems from contaminated inks or toner causing problems with print quality or damaging the physical printhead or photo conductors.
If you are using factory new ink or toner cartridges, then please call the manufacturer’s Technical Support for assistance with the warranty on the cartridges
Don

Mar 10, 2010 | Canon PIXMA MP780 All-In-One InkJet...

2 Answers

Won't print black ink text; looks like faint watermark print; ran all maintenance check several times (nozzle checks, etc)


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.

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

1 Answer

Won't print black ink 3E


I got a paper jam while printing.Know my brother mfc-290 will not print black

Apr 25, 2009 | Office Equipment & Supplies

2 Answers

Error: ''Wrong Cartridge'' when no new cartridge has been installed


It is probably one of the cartridges. Usually, when the message "wrong cartridge" appears, the cartridge is faulty.

Apr 08, 2009 | Canon PIXMA MP780 All-In-One InkJet...

2 Answers

Put in cartridge pixma 780


When the print cartridge contacts are dirty and the printer cannot detect a print cartridge.

Clean the contact points on the cartridges with a dry, lint-free cloth.

1. Open the top cover of the printer.

2. Remove the print cartridges.

3. Clean the copper-colored contact points on the cartridges with a damp, lint-free cloth.
Use a dry, lint-free cloth to remove moisture from the contacts.

5. Insert the cartridges back into the printer.

6. Close the top cover.

7. Try printing again.


Thanks for using Fixya


SAM ANDERSON

Jan 30, 2009 | Canon PIXMA MP780 All-In-One InkJet...

2 Answers

Won't print from 3ebk cartridge


i think there is problum in ur cartridge cas adoptor , clean cartridge circuit plate and put cartridge then try

Jun 05, 2008 | Canon PIXMA MP760 All-In-One InkJet...

1 Answer

Replaced empt 3E cartridge. Now it won't print


I had removed and reinstalled the empty 3e cartridge. Sorry for the Confusion. I hadn't put a new 3e cartrige in until today. Them I ran " deep clean" twice. The printer works fine. I still don't understand why the printer wouldn't print color, when I was had set the printer to print in color when my 3e cartridge was empty and all colors including the 6 black showed full.

Mar 31, 2008 | Canon PIXMA iP4000 InkJet Photo Printer

5 Answers

PIXMA MP780 "WRONG CARTRIDGE" MESSAGE?


PIXMA MP780 "WRONG CARTRIDGE" MESSAGE?
Here is what I did and it now works just fine.I turned off the printer and unplugged the power cord, and unplugged it from my computer. I then removed all the ink cartriges and removed the print Head I got some rubbing alcohol put it on some toilet paper and wiped down the back and bottom of the print head.Plugged everything back in and It now works better then ever.

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

2 Answers

Replaced empt 3E cartridge. Now it won't print


Kind of an X-file situation there. You should try an other cartridge, maybe that one is defective

Feb 03, 2008 | Canon PIXMA iP4000R InkJet Printer

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