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

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Black ink won't print (3e)

All colors except for black (3e) will print.

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Try a "hard restart", which simply means unplugging the power cord and replugging it after a few seconds have passed. If that does not work, then rerun the CD you used when you originally installed the printer. Both techniques reprogram the printer to certain extent. Hope one of these methods works for you.

Posted on Jun 29, 2008

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The printer won't print. It says replace the color ink cartridge. All I want to do is print black and white.


You can only use the black ink cartridge without the color ink. But no need to replace them in your printer.
When you print just choose black and white for the printed text must be black not colored. But if you still received such notification...just try to replace the color ink cartridge to continue printing
Note: As per my experience. printer with exclusive black ink alone will damage the printer easily due to unbalance printing of ink

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2 Answers

Black 3e Cartridge


check the printer head and roller inside the printer

also check the nozzle because it may be clogged due to some
dust

Jul 03, 2008 | Canon PIXMA MP780 All-In-One InkJet...

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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...

1 Answer

Will not print in black. will print in color. I


Sounds like a badly clogged nozzle. If you are using aftermarket/refilled cartridges, the changes are the ink is not up to manufacturer specs and has dried and clogged the nozzle. The best way to clear this is to take a new black ink OEM cartridge and run the deep cleaning a number of times (at least 3) to see if the nozzle can be cleared. If you continue to use non-OEM cartridges, I would keep a set of OEM cartridges around for nozzle clearing purposes. Also, take the aftermarket ink cartridges back to the vendor and either get an upgraded cartridge or refund.
Let me know if this corrects the problem. Thanks.

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

1 Answer

My canon PIMXA MP780 is not printing from the large Black


The black is the first to wear out on these printheads, you will need a new printhead, QY6-0049-000.
You will only waste inks trying to clean or deep clean, the best bet is to replace the printhead and if all else is ok you will get many more trouble free prints and better quality color prints.

Feb 22, 2010 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

IP4000 - How can I force the printer to use the large black (6) ink cartridge?


Do you mean the large black ink as in the 3e vs. the 6? If so, the large black, 3e, is a pigment based ink and the printer should only use it when print text and black and white things. The 6 black is a dye based ink and the printer should only use it when printing photos.

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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 | Printers & Copiers

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

1 Answer

Canon Pixma MP780 Printer - black 3e fails to print


installed a new Print-Head, but that was no changes. I use refill ink, and it seams the BlackInkTank is not exactly on the Printhead and it is Air in the Pipe, i take the Printhead and the Ink-Cardridge in the Bathroom, and press the Ink-cardrige on the Printhead and take a hard breath and blow in the Air-Holes of the Ink-Cardrige until black ink come out of the Printhead, reinstall in the Printer, end it works well.

sorry about my bad english

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

1 Answer

Black will not print


This may seem obvious but have you tried cleaning and refreshing the print heads? I've had a similar problem with only certain colors and the cleaning seemed to help.

Nov 06, 2007 | Canon PIXMA MP780 All-In-One InkJet...

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