Canon ImageFormula R40 Scanner no longer scanning--TWAIN error

[jbunshaft]

I have loved my R40 scanner, but now it won't work. I use the Canon-supplied software, both the driver and the CaptureOnTouch software. Recently, when I've tried to use it, I get "An error has occurred with the TWAIN driver. [Error: 80FF0001]" and that's it.

I've tried re-installing the driver. I've tried uninstalling it and re-installing it. I've tried uninstalling all the Canon software and re-installing the whole software package. Nothing has made it work. Someone, please help! Thank you.

[LochDhueDude]

Daniel-Garus,

I bought my wife the ImageFormula R40 to use with her MacBook Pro 15" running Macos Catalina 10.15.7. I gave it to her for Christmas 2022 and today I proceeded to download the Installer File dated 12/09/2022.

The file installed without mishap, but I am unable to access the functions in the CaptureOnTouch software as both single and double-sided activation buttons cause an "Unable to find Driver" error message. There doesn't appear to be a proper Twain driver accessible to the system as Preview displays a grayed-out "Import From Scanner" menu-item.

I had briefly installed and tested the scanner with the software that was available when Amazon delivered the scanner in September and it worked fine with the then available CaptureOnTouch software, which I then uninstalled and wrapped her "present" for Christmas (having been burned by "Prime Day" sales that failed to function 90 days later. While the scanner was purchased at a decent discount, worked when delivered, and appears to be another excellent Canon product, it is only good as a boat anchor at present.

Please help.

[LochDhueDude]

I bought my wife the ImageFormula R40 to use with her MacBook Pro 15" running Macos Catalina 10.15.7. I gave it to her for Christmas 2022 and today I proceeded to download the Installer File dated 12/09/2022.

The file installed without mishap, but I am unable to access the functions in the CaptureOnTouch software as both single and double-sided activation buttons cause an "Unable to find Driver" error message. There doesn't appear to be a proper Twain driver accessible to the system as Preview displays a grayed-out "Import From Scanner" menu-item.

I had briefly installed and tested the scanner with the software that was available when Amazon delivered the scanner in September and it worked fine with the then available CaptureOnTouch software, which I then uninstalled and wrapped her "present" for Christmas (having been burned by "Prime Day" sales that failed to function 90 days later. While the scanner was purchased at a decent discount, worked when delivered, and appears to be another excellent Canon product, it is only good as a boat anchor at present.

Please help.

[LaneValenzuela]

I had the same issue, you can try what worked for me:

Win+R then type Services.MSC
Find:  Windows Image Acquisition    and then disable (Right click and Startup type to disable)
May ormay not need to reboot and then give the scanner a try. My be worth reinstalling drivers after the above.