I tried adding a new one with the copied folder location, but that didn't work. Read more ... When I open the CanoScan toolbox, and try to scan, it says "unable to select TWAIN source." I have tried the troubleshooter, downloaded the driver and the entire CanoScan program (for Thanks. http://alltechgossip.com/unable-to/unable-to-open-twain-source-canoscan-lide-25.html
Then all was well! (LiDE 25, XP) Thanks for the solution. When using Larger scale, ScanGear may not be displayed properly. Preventive action: When using Larger scale, use Classic Style for the OS display. View All Cameras Find The Perfect Camera LEGRIA HD Camcorders Create and share beautiful HD movies. Nenad Bulatovic - Thursday, September 12, 2013 9:10:03 AM It's 2013 and I know I should get a new scanner...
On this tab, you will find the applicable drivers for your product or in the absence of any drivers, an explanation of your product's compatibility with each operating system. Thanks a lot. I installed my CanoScan 8600f on a new laptop which came with Win 8 X64 and confronted with the same problem. Unable To Open Twain Source Canoscan Lide 20 CanoScan Toolbox 4.9 is working as it should with my Canoscan 5200F.
I tried uninstall a few times but it still didn't fix the problem until I found the solution on your site. Canoscan Unable To Select Twain Source Fix Canon Connectivity Stay connected for easier storage and sharing. Choose your language. I've had this scanner for a couple of years - and encountered this problem for the first time today (of course, when I needed it to work urgently).
if theres something else do let know Rupesh Says: Guys now it works..... Unable To Open Twain Source Canoscan Lide 500f Many Thanks! Walid Kalam - Tuesday, March 20, 2012 12:14:29 PM Reinstalling the software didn't fix the problem, but your solution did. Solved my problem.
I eventually figured out it was a TWAIN problem by looking at %temp%\twain.log which had "CloseServer - Why Can't We Find The Thunker Window?" but didn't know how to fix it. This tip worked for me (Win 7) and many thanks.. Unable To Open Twain Source Canoscan Lide 60 Once again, Thanks a million! Unable To Select Twain Source Windows 10 I'm not sure why this problem started all of a sudden.
Thanks a bunch!!!!! http://alltechgossip.com/unable-to/canoscan-toolbox-unable-to-select-twain-source.html Windows 7 64 bit Path: C:\Windows\twain_32\CNQL500 Double check yours... WOWZIE - Tuesday, September 10, 2013 12:25:47 AM Thank you kind sir! dhazer2007 72,896 views 1:56 CANON Scanner LIDE 110 unboxing and testing Mac OSX 10 Apple LIDE120 - Duration: 5:02. Unable To Select Twain Source Windows 8
A thousand-times thanks. Now working OK. I changed the path like you said above, but it it still is not working right. check over here Quick easy fix!
Now OK your way out of all of the dialogs and CanoScan Toolbox will now work as expected. Unable To Open Twain Source Windows 10 Estrilda December 22nd, 2015 at 19:14 | #9 Reply | Quote @Shannon I encountered similar problem to yours too in the beginning. Now, immediately after scanning a photo, I get that stupid message, and then it stops working.
It has been working fine but it stopped working today with error message: Unable to open TWAIN sourceHere is how to fix it:Check if you have the following folder: C:\Windows\twain_32\CNQL60If not, Better than some of the other solutions that are out there. Hendro K. - Wednesday, January 16, 2013 12:38:20 AM Fixed my 8400F under Windows 7 x64 and Photoshop CS2. Unable To Open Twain Source Canoscan 4400f You're a saviour.
Keith McCombe - Wednesday, August 11, 2010 5:13:25 AM Thank you Jeff! Worked great. Go all the way to the right and add to the end a semicolon, then enter c:\windows\twain_32\cnql25and then click OK so all entries are untouched and you added that at the http://alltechgossip.com/unable-to/unable-to-select-twain-source-canoscan.html I would never have solved this without your help, and I am so happy to be able to use my scanner again.
Windows 7 Ultimate is my OS, and although I couldn't get Canon's own CanoScan Toolbox to work, I was able to get Windows 7's scanner driver operational with the above. Thanks, Jackie Jackie - Saturday, October 1, 2011 12:46:25 PM Hi Jeff, Thank you so much. Eventually, I noticed that in the PATH variable, all items are separated with semiolon ONLY. Official Store Product range Canon CanoScan LiDE 70 Back to top DriversSoftwareManualsFirmwareFAQs Left Right Available Drivers (0) For certain products, a driver is necessary to enable the connection between your product
larry - Friday, April 5, 2013 8:59:28 PM Thanks so much. Scanner driver will be closed." than it gives the TWAIN error. Anna - Thursday, October 10, 2013 9:33:56 AM Thank you very much! I then followed Amanda's instructions and it worked perfect.
Windows update maybe? I did not understand what i was doing, but i followed your instructions and it is working now!!! :) Agi - Thursday, February 28, 2013 3:28:09 AM That did it!