Question about Canon CanoScan D646U Flatbed Scanner

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Twain error on cannon scan D646U on VISTA

Pls guide me to connect my cannon flatbed scanner D646U on window vista. - There's Twain Error shows

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  • Anonymous Aug 20, 2008

    non riesco ad installare canoscan D646U su vista c'è qualcuno che mi può suggerire la soluzione o è un problema comune e devo proprio devo buttarlo via grazie

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The D646U is not compatible with Windows Vista. Call Canon and inquire about their Customer Loyalty Program. They let you upgrade to a more current scanner at a reduced price.

800-828-4040

Posted on Jul 09, 2008

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Was it all working OK before you upgraded from VISTA? If yes this sounds like a driver problem. Visit the cannon site and download their latest drivers for Win 7 - that is if there are any yet. As an early adoptor of Win 7 you can expect to have issues with hardware drivers where manufacturers have not yet developed them for Win 7. Once Win 7 has been out and about for 12 to 18 months most manufactures will have caught up and issued new drivers.

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CANOSCAN D646U NOT HAVE DRIVER FOR WIDNOWS VISTA


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

Aug 09, 2009 | Canon CanoScan D646U Flatbed Scanner

1 Answer

Driver download


Dear Sami Kotaich,

unfortunately your Cannon has not released drivers for vista for this product.

I can give you one suggestion; connect your scanner with vista PC and atleast let it try to install necessary USB drivers. once it has been done you will see message your hardware installed or there was a problem installing drivers for your hardware and it may not work properly.

now leave scanner connected and go in start menu- programs- accessories- paint

once you are in paint click on File Menu then From Scanners or Cameras. if it does recognize and you get scan wizard then you will be able to use your scanner on vista. but if it doesn't recognize then I am sorry you might need to get more authentic recommendation from Cannon support.

let me know does it work or not? or if any more questions, please do not hesitate to contact me.

Many Thanks.

AJoshi

Mar 18, 2009 | Canon CanoScan D646U Flatbed Scanner

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I need a twain driver for my canoscan N670U Everytime Im going to scan its say TWAIN ERROR WHY IS THAT>??? I have Windows Vista.. Please Help


The driver is on the cd that came with your scanner. If you do not have the cd then you should be able to download it from Cannon's website.

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Scanner problem


Check to see if you have the directory c:\windows\twain_32 with subfolder for your scanner.

Also check that you have the twain drivers in c:\windows\system32

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Connect the scanner and re-install the driver. That should fix it

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Unable to select TWAIN source


tried uninstallin and installin canon scanner drivers..nothing works..still seeing unable to select twian source..

so i tried an alternative..here we go..
on vista 64 os/vista any version..click Start>All programs>Windows fax and scan

next click new scan on top and that got me going.

some say there are issues with the way usb talks to old scanners with new operating systems like mine (vista 64). hope it helps until you find the actual cure.

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