Thanks for sharing this! After installing a new Canon multi-function printer, my old Cannon F scanner stopped working with the error described. I have been using the scanner for several years and have been able to reload it and use it successfully on a new Vista system. I want to thank you SO much for this information. Thanks for the solution – this did the trick! Powerful and discrete security and CCTV cameras.
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Worked like a charm! But this time, the problem solved.
Your fix worked like a charm. I tried few times and finally give up on it.
Many thanks – brought my old scanner back from the dead: Find out more about Camoscan Professional Services, including the benefits and how to join. Re-installing the programme does not help as I continue to get the same message. My CanoScan NU, about 10 years old now, is only used it a canoscan lide 70 twain times a year.
Warranty programs are subject to certain conditions and restrictions. I have changed many types of drivers, try compatibility modes etc.
need twain diver canoscan lide 70 – Microsoft Community
Thanks, Jackie Hi Jeff, Thank you so much. I’ve been looking for a solution for quite some time. Just got a new computer and this fixed the issue. Get canoscxn tips straight from the experts.
I’ve had my F about 2 years; today was the first time I had ever run into this ‘twain’ problem. Why cant Canon have this on their knowledge base.
Canon CanoScan LiDE 70
Mil gracias por la solucion inimaginable desde mi experiencia pero dio con la solucion!! This works fine for my CanoScan F!
But we just moved the scanner to a new computer, installed the software and then started getting the “Unable to Open Twain Source” error message. Just a simple live to the path and all is well. You saved my canoscan lide 70 twain I was reinstalling my driver everytime i come across this problem.
In any event, the solution worked super well for me. Keep up with the latest digital developments. It is the first time I have been able to use my scanner-to.
Jeff Widmer’s Blog – Canon Scanner – Unable to open TWAIN source
Opened PSP 7 and entered scanner heaven. Why this isn’t simply found when updating drivers etc on the Canon site. Thanks canoscan lide 70 twain Seems like I have a problem with every scanner I connect tain I luckily keep finding this solution to my problem. Thanks for your time and 770 such a great help For those that have scrolled this far but for whom it didn’t work, first install your driver, then go looking for its folder in C: Like with canoscan lide 70 twain others, this problem just happened recently with the CanoScan working great before.
Canon Scanner – Unable to open TWAIN source
To install your download click on the name of the downloaded file. Shop Now Video Cameras. You agree not to send or bring the Software or its documentation out of the country where you originally obtained it to other countries canoscan lide 70 twain any required authorization of the applicable governments.
A dated proof of purchase is required at the time of warranty service. I had tried some other canoscan lide 70 twain of known bit drivers for other models and different toolboxes, but ended removing it all and deleting the twain drivers in despair.