I’ve been very frustrated with my scanner. I added all 3 to the path and this did not cure the problem; PhotoStudio 6 still cannot locate my F II scanner and gives me the error messages about Twain. Canon Connectivity Canon Connectivity. I added the C: My beloved Canon LiDE 25 are reunited once more: We technically challenged need all the help we can get. Just a simple addition to the path and all is well.

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Thank you so much!

CanoScan LiDE 70

I would never have solved this without your help, and I am so happy to be able to use my scanner again. At the bottom of this dialog canoscan lide 70 twain an Environment Variables button. Mucho Gracias Senor Jeff! Canon disclaims all warranties, expressed or implied, including, without limitation, implied warranties of merchantability, fitness for a particular purpose and non-infringement.

Lo and behlold, I added the C: Setting PATH didn’t help me either.

I tried this and it did not work. Best wishes canosan germany!! I was canoscan lide 70 twain my driver everytime i come across this problem.

Searching the Internet for this problem turned up several people having the same problem and several solutions which looked like they may or may not work.

I installed the latest complete software package from the Cannon U. Reinstalling the software didn’t fix the problem, but your solution did.

Advice and guidance from print industry experts. Research and Development Home Canon U.

Jeff Widmer’s Blog – Canon Scanner – Unable to open TWAIN source

Works like a charm! It worked fine with my lap top, I just a new computer with windows 8 I hate windows 8 on it, and I have canoscan lide 70 twain keep restarting the computer to get the scanner to work.

Easy to use app for a canocan range of photo prints, gifts and more.

Worked for me, thanks! Awesome – Worked Perfect.

Suddenly it stopped working. Like some other folks who have commented, this did not work for me. Monday through Friday, except holidays.

Anyway, I followed your instructions and all is fine now. A dated proof of purchase is required at the time of warranty service.

Canon Scanner – Unable to open TWAIN source

Thank you so much for this info. Scanner driver will be closed. You just saved me some bucks. Canon owes you a beer!

CanoScan Lide 70 and Twain bit plugin | Adobe Community

Learn how lens choice can influences your results. This worked a charm. Thank you very much!!!

Your post helped me fixing this same issue with my Twxin F on Windows 7. Yep, you helped me too! If the problem canoscan lide 70 twain be corrected over the telephone, and you elect the InstantExchange option, a reference number will be issued to you. I would never have figured it out.