The only difference was my TWAIN file path, I had to add this to my PATH setting: C:\Windows\twain_32\CNQL25 After a reboot, my CanoScan LIDE 25 is working once more. Just wanted to let you know a lot of people have been experiencing the same issue, and sharing their solutions on my blog -- http:// blog.dylanmullins.com/?p=254Feel free to remove the link apparently an Oracle XE installations messed my path. This will bring up the System Properties dialog (it should already be on the Advanced tab). http://mixtecadigital.com/twain-source/unable-to-select-twain-source-canon-lide-110.html
Mattia - Sunday, July 4, 2010 3:47:28 PM Thanks Jeff - fixed my cannon 4200F which stopped working (unable to open TWAIN source) One of my recently installed apps. Rebooting like a madman didn't help, either. Rachel Williams - Tuesday, July 30, 2013 7:46:48 AM Worked for me, this is what I wrote: %SystemRoot%\system32;%SystemRoot%;C:\Windows\twain_32\CNQL25 Michael - Wednesday, July 31, 2013 1:16:33 AM You are my hero! My configuration: Windows 7 64x, LiDE 500F At first adding the path did not help.
Rowan - Wednesday, April 20, 2011 3:20:44 PM thanks a lot! Better than some of the other solutions that are out there. Sreedhar - Saturday, May 14, 2011 9:08:38 AM Fantastic, worked like a charm on my Windows 2003 Server 64-bit. My scanner now works:) Uyi - Friday, August 9, 2013 12:19:38 PM thank you tibor - Friday, August 16, 2013 4:28:23 AM Thanks for the advice.
Catherine - Sunday, January 22, 2012 2:00:40 PM It worked!! I couldn't find or do anything to get it to work until I found your very well explained fix. Ian Simon 1,793 views 2:05 Loading more suggestions... Unable To Select Twain Source Canoscan Scanner Windows 7 Thank you so much for this wonderful article! ;) kaneXtreme - Friday, January 27, 2012 6:35:44 AM That workded.
System Configuration Utility will pop up. Canoscan Unable To Select Twain Source Fix Really thanks so much Hilary - Tuesday, August 21, 2012 3:06:41 AM You're a diamond geezer! Cancel the installation process. Bernhard - Monday, October 10, 2011 9:04:53 AM Hi Jeff, Thanks!
Reply Priyanka | June 22, 2010 at 3:26 pm I am not completely wrong as this is an old post related to Twain devices issue specifically in Win XP, and this Unable To Open Twain Source Please Check Connection Then Restart Toolbox First: The driver ScanGear CS v184.108.40.206a did work all the time (I could hear and see it when information was exchanged with the scanner and the scanner started up). David Peck - Wednesday, August 22, 2012 8:54:39 AM awesome. How to install and use th...10 Comments Shannon Skelton | March 23, 2015 at 2:38 pm In case of this issue, you can always run a quick check on your scanners
Before it would just say "No twain device found" now before I get that, it will also say: Cable may be disconnected or the cable may need to be replaced.. check this out a bit different. Unable To Open Twain Source Canoscan Lide 25 My 4400F was unusefull without canoscan toolbox. Unable To Select Twain Source Windows 10 Marco - Sunday, August 15, 2010 4:11:03 PM Thanks very much, Jeff!
Thanks! this content Running Win 7 Premium on Dell Latitude Laptop. And the name? Canoscan LiDE 60 Jeremy - Thursday, October 13, 2011 7:47:53 AM Big thanks Jeff! Unable To Select Twain Source Windows 8
Many thanks Billr - Sunday, April 22, 2012 5:53:24 PM Another success. It tells me that "Release the lock switch, detach I/F cable and reconnect. Absolutely no change to the twain error message. weblink I went to press the arrow on my laptop and pressed wrong button grrrrrrrr, could you help plz thanks CheekyKelz - Sunday, November 6, 2011 7:53:33 AM Hi CheekyKelz, Unfortunately the
Then, I tried varous things (like not starting WIA service, checking the limit of PATH variable length, starting the Toolkit as admin/ in compatibility mode, ...). Twain Source Download Just a simple addition to the path and all is well. Lone Wolf - Wednesday, March 31, 2010 10:19:51 AM veeeeeeeeeery thanks thanks - Friday, April 2, 2010 4:05:45 AM Jeff!!
I can't imagine that something just took it out of the path. This was very helpful. techconnectionhawaii 117,325 views 4:07 Canon PIXMA Ink Efficient E400 Review - Printer, Scanner & Copier For PHP 3,695 (REUPLOAD) - Duration: 8:04. Unable To Open Twain Source Canoscan Lide 500f once i "unlocked" it all worked fine.
I was about to do some reinstall and was saved by this post! In my case it was named CNQ4803. Thanks! http://mixtecadigital.com/twain-source/unable-to-select-twain-source-canon-lide-25.html SHAME ON CANON!
This helped me with CanoScan 8400F. Fixed my problem in 2 minutes! Thanks a million! Thanks!!!
Rod - Friday, October 19, 2012 5:47:48 PM Hi, thanks for a perfect hint. In the device manager, select the inactive LIDE 35 and choose to update the driver. Dave - Friday, July 19, 2013 8:53:56 AM Thanks a lot! Maybe its my Vista that's at fault.
Loreto College Coorparoo 969 views 1:53 problème de scanner twain32 impossible d'ouvrir la source twain - Duration: 3:33. Sign in Share More Report Need to report the video? Got my scanner operating quickly. Finally solve my Connection Problem!!
My scanner worked perfectly until last week - Suddenly I started getting "Unable to open TWAIN source" error. Thanks for the quick/easy fix! Windows 7, 64 bit, Canon CanoScan 8400F.