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Can't use my n650u scanner because the installation disk asks me to install the "Twain Driver" first. How do I do that?

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You can try the following method:

Do not connect the scanner to the PC yet, first install the driver from CD, restart your PC. Then connect your scanner. Windows will hopefully recognize the scanner

Posted on Nov 24, 2008

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1 Answer

Canon scanner N650U using Vista unable to open "TWAIN server"


I have Windows Vista 32bit running with the driver from canon XP Driver - CanoScanCSUv571a.exe.
1. Download driver from Canon
2. Extract driver to CanoScanCSUv571a folder
3. Click Start orb and Control panel
4. Make sure classic view if checked
5. Double click Device Manager
6. Under imaging devices right click CanoScan N650U/N656U and select update driver software...
7. Select Browse my computer for driver software and click browse button to location of the CanoScanCSUv571a folder and click on Next button.
8. Ignore any warnings the driver works fine. Have been using it for a long time now

Sep 07, 2011 | Canon CanoScan N650U Flatbed Scanner

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Keeps saying "scanner failure" What do I do?


Scanners are a real legacy issue within windows - they have been there forever and yet the software controlling them hasn't been improved on - TWAIN it is the name of the Toolkit which communicates with your scanner and the proprietary software sits on top of that. TWAIN stands for "Toolkit Without An Interesting Name" - I think says it all. It hasn't been improved on much through the various releases of Windows. But to help you more we would need a lot more information.

- Platform Windows 7 .... Mac ...
- Scanner name and manufacturer
- Type of connection to the scanner ( USB ¦ WIRELESS )
- Whether you have had the scanner working in the past on this machine.
- Does the scanner work on another machine - Do you have another machine on which to try the scanner.
- Do you have the original disks for the scanner. And the original Windows Disk - so that you can load up the TWAIN software.
- How did you install the software for the scanner
- Have you come across this TWAIN driver ( perhaps you haven't installed that - because the Manufacturer's software doesn't include the TWAIN driver ( you have to load that from your Windows disk )

If you haven't loaded the TWAIN software - then perhaps - you should de-install the Manufacturers software and then install the TWAIN driver from the disk ( although - it may already be resident in the bowls of the Windows environment on the machine ) and then finally re-install the Manufacturer's software ...

So more questions than answers - but I hope that helps ....

Greg McC

Jul 02, 2010 | HP PSC 750 All-In-One InkJet Printer

1 Answer

Installing Canon N650U scanner on a MacBook Pro


free driver @ http://www.soft32.com/Download/Free/CanoScan_N650UN656U/4-170676-1.html

Jun 13, 2010 | Canon CanoScan N650U Flatbed Scanner

1 Answer

CanoScan N650U TWAIN problem


ok two possibilities...
1. try this quick faq
2. try downloading vuescan... it works but for it to work perfectly you need to register it... otherwise it shows dollar signs over everything...

Dec 21, 2009 | Canon CanoScan N650U Flatbed Scanner

1 Answer

Will not dow load to vista it can not find twin


I think you mean TWAIN.

twain is a sub process that is used to make scanning easier between different applications.

Part of what you want to do depends on the application you are using to scan your document eg word, photoshop, etc etc.

Quite often when you install the software for a scanner it will ask if you want to install the twain components. You should click yes.

I would try to re-install the software for the scanner including any updated drivers from cannon support on the web.

Some applications may offer other methods besides twain to get yoyr scan. If you select one of those and try again.

Hope this helps

Aug 11, 2009 | Canon CanoScan N650U Flatbed Scanner

1 Answer

My computer is unable to open twain driver


you may need to reinstall the twain driver at this time, or use a different application program inorder to scan
appreciate your kind comment

Apr 12, 2009 | Canon BJC S600 InkJet Printer

2 Answers

Twain driver


Where can I get a twain driver for Canonscan N650U to work with my windows XP

Jan 06, 2009 | Canon CanoScan N650U Flatbed Scanner

1 Answer

CanoScan N656U


hello everyone sr or madm merry xmas i have canoScan N1220U and N650U/N656U cd and try to installing but when i start instalation some driver not installed yat so please i need any kind of help so i can pixe my scanner solution than i work with thank s all ab you bye

Jun 27, 2008 | Canon CanoScan N656U Flatbed Scanner

1 Answer

Can't install


Connect the scanner first and then wait for the New Hardware wizard to pop up. Then insert the CD.

I would recommend downloading and installing the most current version of the driver and Toolbox for your OS.
http://consumer.usa.canon.com/ir/controller?act=DownloadDetailAct&fcategoryid=351&modelid=6858

May 20, 2008 | Canon CanoScan N650U Flatbed Scanner

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