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

3 Answers

Canon PIXMA MP780 - will copy only in greyscale and color - not in black and white

This printer was working fine, then one day it stopped copying in black and prints out only copies in greyscale and slows down to a crawl. It does okay with color. When printing out something in the computer, it prints in black and colors and comes out at the higher speed. I like the printer and
don't want to throw it out, but I need to copy letters and items in black at the regular speed. Does anyone out there know what the problem is and how to fix it?

Posted by on

  • Richter8 Aug 16, 2008

    Cleaned the cartridge/nozzle two times using the printer utility installed as suggested. I copied black printing on white paper - it still came out slow in greyscale. I cannot get it to copy anything black at regular speed.

    It still prints out black and colors when you're printing from something in the computer. When printing something from computer it comes out at regular fast speed.
    I've printed out this sheet from the computer and it comes out fine.

  • Richter8 Aug 16, 2008

    In order to fix the problem I had to call Canon Technical Support on the East Coast. The Canon technician told me what steps to take to correct my problem. The

    problem was solved by Canon.

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3 Answers

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  • Master
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Look i think that someone has miss a lil bit with ur AIO printer

try to start from zero okay

i will give u this:

this will guide u very well to fixe ur printer and u will ot throw it out the window hehe

here is the link

follow me, rate me!!

Posted on Aug 16, 2008

  • Jalal Sordo
    Jalal Sordo Aug 16, 2008

    if th link not wroking try this one

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  • Master
  • 594 Answers

Here is the link to your printer. it has the troubleshooting guide and drivers and such. i don't know much about the gray scale and why it is doing what it is but i thought you might think it would come in handy.

http://www.usa.canon.com/consumer/controller?act=ModelInfoAct&fcategoryid=238&modelid=10444

please do not forget to rate and comment on your experience today.

Posted on Aug 16, 2008

  • Cameron Viseth
    Cameron Viseth Aug 16, 2008

    i am glad i could help you get to where you needed to be to get the help. if you could can you still rate me?

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  • Canon Master
  • 6,487 Answers

Try first fo clean the cartridge/nozzle using the printer utility installled on your computer then after that try to print a plain text and see if its working fine already...

Good luck........

Posted on Aug 16, 2008

  • Mark Gil
    Mark Gil Aug 16, 2008

    Try to update the printer driver .........

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