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

3 Answers

How do you remove the waste ink absorber pads?

I'm getting the "waste ink near full" message. I know how to reset the counter, but I saw Darklord1's advice to MissBetty re:cleaning the pads, and I'd like to do that first. I downloaded the manual he mentioned, but I didn't find in it instructions for removing the pads. How do you get into the printer to remove them?

Thanks for your help!

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  • Anonymous Jan 08, 2008

    cant find the pads under the cartridge

  • LifeofRiley Jan 08, 2008

    Okay, I figured out how to get to the pads. First, take the sides and the top off the printer. Basically, follow the screws and pray when you snap it off the sides. The top comes off too, though it'll remain attached by wires in the back right corner, so plan ahead for having the top 1/2 of the machine laying upside down by the back right corner. I'd recommend resting it on a piled up blanket/pillow/rags (something you don't mind getting dirty with indelible ink).

    You can remove the spongy pads from their containers with your fingernails. There's a long, thin one dead center (6ish" by 1/4"), one to the left of that (mostly covered by a thin plastic piece which routes the ink downward and which also can come out with your fingernails), and two to the right of the long one.

    Now, how do I get to the waste ink well(s)? They're obviously full--in messing around with the printer, trying to figure out how to get inside, I tipped a bunch of ink on the table. I might have emptied them, but i'd rather make sure.

  • LifeofRiley Feb 07, 2008

    The first time I put it back together, the printer didn't work either. For two reasons: The first was because of loose connections. Check the back right-hand corner. There are two short ribbons that unplug easily--if you can reconnect them, you might get power back. The second reason was and remains a mystery. We had everything together, the power was on, but when the ink cartridges tried to move into position, there was a terrible grinding sound. We pulled everything apart again and looked around. Saw nothing. Put it back together. Still grinding. Pulled it apart. Put it back together. Worked fine. A month later, the printer's still going strong.

  • LifeofRiley Feb 07, 2008

    Sorry, holborn, but that really only works once or twice before you chance ruining the printer. Reseting the counter allows you to keep printing, but it doesn't get ride of the waste ink, which eventually will overflow.

  • Loosenit Feb 11, 2008

    hi I have the same problem with my ip3000 canon I need to get the waste pads out, I can get the outer shell off but I don't know where to go from there, it all looks heap complicated and I don't want to wreck it. I need step by step instructions on how to get to the pads if I have them I don't mind doing the rest ie washing, drying, please help I have looked everywhere for this information.
    I love this printer and don't want to change.

  • Anonymous Feb 12, 2008

    do you have the reset codes for the MP 780

    I've had the waste tank cleaned but still get the check printer flashing light...thanks Rick



3 Answers

Well, I tried that, I could not locate the pad anywhere and after I put it back together, now it will not turn on at all.

Posted on Feb 07, 2008

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All above suggestion and solution are okey/
After opening printer best way to clean it that your hand not getting dirty wear rubberize gloves take some old injectable cyrin, suck it put into container with fine screen filter/ nothing left ink ,injection cyrin connot suck anymore .replace the pad if available or clean it /soak w/detergent wash and dry..

Posted on Jan 10, 2008

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  • 17 Answers

No need to open the only need to reset the counters. use canon reseter!!!

Posted on Feb 07, 2008

  • Foday Sankoh
    Foday Sankoh Dec 31, 2013

    i need that software pliz


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For toll-free technical support, please call 1 (800) 828-4040 during regular business hours (currently Monday-Friday 10:00 a.m. - 10:00 p.m. EST, excluding holidays).

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