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Driver for D646U Scanner - Office Equipment & Supplies

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  • jondrury24 Apr 12, 2009

    need a driver for a canon d646u scanner where can i get it


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This printer was only supported in the US for Windows 98/ME but it worked with XP. The odd thing is that foreign sites continued to offer the driver for vista both 32 and 64 bit. But the US site dropped it. Here's how you can get it working and not have to read Portuguese.

Order is important, follow these steps exactly...

1. Go to, click on downloads, and then click consumer products. Then click scanners and find the d646u on the list. Click the download drivers link after this.
2. Download number 1, 2 and 5 on the list.
3. Install them in the following order: 5(deletion utility), 2(scanner drivers: it doesn't matter what folder you open them to), and then 1(toolbox).
4. The computer will reset after toolbox is installed.

It should work after all this.

Posted on Jul 31, 2008

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Posted on Jan 02, 2017

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Related Questions:

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My scanner model no-Canoscnd64uex and I have lot the installetion cd

Canon CanoScan D646U Flatbed Scanner Drivers
Visit the above link from Canon Official Support. Select the Operating System (OS) and download the required drivers/ software for free.


Jan 21, 2011 | Canon CanoScan D646U Flatbed Scanner

1 Answer


Hello there,
For D646U Driver, you can simply download it here:
D646U Scanner

hope this help :)

Apr 15, 2010 | Canon CanoScan D646U Flatbed Scanner

3 Answers


Try to run windows vista in compatibility mode. If you can't find the driver for it, even under, this is about the only other thing you can try.

Aug 09, 2009 | Canon CanoScan D646U Flatbed Scanner

1 Answer

I cannot install Canon D646U

you need to completely clean your computer , what I mean is to DELETE , UNISTALL everything with the word CANON D646U ,
Lets go first and unistall the driver , then go to START , click SEARCH , go to FILES and hidden FILES and write "CANON D646U" , click SEARCH , erase everything that shows up , and start from scratch , and re install software , hope this works for you AJ

May 06, 2008 | Canon CanoScan D646U Flatbed Scanner

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