cancel
Showing results for 
Show  only  | Search instead for 
Did you mean: 

imageFORMULA R40 Continually giving message "Cannot find scanner. Check the power and the cables."

hfrost
Apprentice

My scanner is giving me this message each time I try to scan. "Cannot find scanner. Check the power and the cables." I have tried plugging it into new outlets, using a different USB connecting cord, and I have removed the CaptureOnTouch V4 software and re downloaded that. Please help! I have windows 11 on my hp desktop

1 ACCEPTED SOLUTION

Rsweed
Apprentice

I had the same issue and tried several things. Finally, I Just went to the canon website and downloaded the install software again and ran it. I didn't uninstall or anything and my scanner worked immediately after. Hope this works for you too.

View solution in original post

20 REPLIES 20

Here are the complete directions based on the help above (thanks everyone!) that I used to get my R40 working after installing the Windows 11 24H2 update on my computer:

1) Exit CaptureOnTouch 
2) Go to hidden ProgramData folder by pressing the Windows key + R at the same time to open the Run menu. Type %programdata% and press Enter

3) Go to C:\ProgramData\Microsoft\Windows\Start Menu\Programs\CaptureOnTouch\Tool

4) Click on the shortcut for System Configuration
5) Under Thin Client Mode, change from Disabled to Citrix: Twain Redirection, then click OK.
6) Open up CaptureOnTouch. If the scanner is not recognized, use the Restoration Tool for Scanner Registry described in “Scanner not recognized” information in the Troubleshooting section on Canon support website.

7) Once the tool is downloaded, double-click on the RepairReg.exe file to run the utility. The utility will determine if there are any inconsistencies and try to fix the issue.

7) Restart the computer to complete restoration of the registry.

😎 Open CaptureOnTouch and test operation

Announcements