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

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My printer wont print my documents if they are in black. does anyone know how to fix it? The printer is a canon pixma mp780

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  • 528 Answers

If that is a new ink installed in the printer then it's time to replace either PRINT HEAD or PURGE UNIT.

Posted on May 31, 2010

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SOURCE: 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!



Posted on May 02, 2009

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1 Answer

How do I replace the print head on a canon PIXMA MP780


please follow the below mentioned document and i am sur you will be able to install the printhead :
http://www.usa.canon.com/consumer/controller?act=ModelInfoAct&tabact=SupportDetailTabAct&fcategoryid=238&modelid=10444#SupportDetailAct
any more queries let us know we will help you

Thanks
regards
hamid

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

1 Answer

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

I can print a computer document in the canon pixma mp780 but I am unable to make a copy, come out blank. What is the problem?


For copy, first u need to scan a document. save it in ur desired format. then print it. give necessary instructions in scan & print settings. color/black&white, dpi, page sizes etc. etc.

Sep 04, 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

My Pixma MP780 is suddenly printing VERY slow...


The speed of the printer could have a lot to do with the settings for photo quality. If you've cleaned it out completely and the settings for your quality still make no difference in the speed, you've damaged hardware that will have to be replaced... replacing the entire printer is usually the best option at that point.

May 05, 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...

1 Answer

Printer print blue instead of black


I have the same problem with my ip 5200, when printing a document in plain black.. I spoke to canon support and they suggested to save the .doc document as a txt file before printing. It works. Not too sure if this uses any colour ink to produce the black.

You can also set the printer on grayscale. However, the printer uses the colour ink to produce black.... hence printing in black & white becomes rather expensive.

If anyone has drivers to fix this problem please let me know...

Jul 10, 2008 | Canon PIXMA IP5200 InkJet Photo Printer

1 Answer

Printing Problem


Just clean the rubber roller down in tray!!! with moisture clout, not wet!!!

Jan 24, 2008 | Canon PIXMA MP780 All-In-One InkJet...

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