Full Fix: Canon Cannot Communicate With Scanner

Canon Cannot Communicate With Scanner

Canon users often come across the error message “Canon cannot communicate with the scanner”. There are a number of reasons behind this error. 

Mostly, this error occurs if you are using an outdated scanner driver. Or, if the installation of the scanner driver is not done accurately, you may face this error. 

Furthermore, defective USB cable or poor wireless connection can also lead to this error. If you are also stuck with the same problem, then you can go through the section below to learn effective ways to get rid of this problem. 

Effective Ways to Troubleshoot: ‘Canon Cannot Communicate With Scanner’ Error

Before applying the below solutions, you have to make sure that your device is connected with a stable and secure wireless connection. 

Or, if you are using a wired connection, then confirm that the USB cable that you are using to connect the computer and scanner is not defective. If you see that there is a problem with the USB cable, then you can replace it with a new one. 

After doing this, if you are still unable to use the scanner, then you can perform the troubleshooting hacks described below: 

Way 1: Perform a Clean Boot

Sometimes, third-party apps that are installed on your computer conflicts with the hardware and trigger the “Canon cannot communicate with the scanner” error to appear. To solve this issue, you can disable all the services and startup applications. 

You can do this easily by performing a clean boot of the computer. Here are the steps you need to perform: 

  • First of all, press the R and Win key both at the same time from the keyboard. Then, type “msconfig” in the input field and then tap on the OK button. 
  • It will navigate you to the System Configuration window. Navigate to the Services tab and then tick the ‘Hide all Microsoft services’ box. 
  • Afterward, tap on the ‘Disable all’ option and then go to the Startup tab. Next, click on the ‘Task Manager’ option to open this. 
  • If will open the list of startup apps and right-click on the first option on the list. Select the ‘Disable’ option from the list. Now, follow the same process for the other entries as well. 
  • Now, exit from the Task Manager and then open the ‘System Configuration’ window once again. After that, tap on the Apply button and then the OK button to apply the changes. 

Lastly, restart the computer and check whether the issue is resolved or not. If you see that the issue is fixed, then keep the apps disabled. 

To find out the particular app or service, you can enable and disable them one-by-one until the error appears once again. Once you locate the problematic app or service, remove it from the system permanently. You can try the further hacks discussed below. 

Way 2: Enable bidirectional Support

If the printer is not configured properly, then it can trigger this error to appear. You can solve it easily by configuring the scanner/printer properly. 

To do this, you have to change the settings. Here’s how to do this: 

  • In the beginning, open the Control Panel by going to the Start menu. 
  • Afterward, navigate to the ‘Devices and Printers’ category. 
  • Search for the name of the printer by scrolling the list of options. Once you get that, right-click on it. 
  • Choose the ‘Printer properties’ from the list. 
  • Now, go to the Ports tab and then tick the ‘Enable bidirectional support’ box. 
  • Tap on the OK button to apply the changes. 

Once you enable this feature, the error should be solved as expected. Otherwise, you can perform the other solutions stated below. 

Way 3: Run the Troubleshooter

According to some users, they have solved this issue by running the troubleshooter on their computer. Basically, if you have glitches on your PC, then this tool can help you to fix that. 

How to Run Troubleshooter on Windows 10? 

  1. At first, open the Settings app by pressing the I and Win key at the same time. 
  2. Navigate to the ‘Update & Security’ category. 
  3. Go to the Troubleshoot tab from the left pane of the screen. 
  4. Choose the Printer option from the next page. 
  5. Now, tap on the ‘Run the troubleshooter’ option from the right pane of the screen. 
  6. Once it opens the Troubleshooter window, complete the further process by following the on-screen guidance. 

Once the troubleshooter is completed, check if the error is solved. Else, you can remove the problematic directories to get rid of this issue. 

Way 4: Move the Problematic Directories

You can also face the error message on your Windows 10 device due to certain corrupted directories. The scanner stores a certain amount of data on the computer. But, if that data gets corrupted, you may face this error. 

You can solve this issue easily by moving the problematic directories. To do this, you can perform the steps as follows: 

  • First and foremost, navigate to the ‘C:\twain_32’ location. 
  • Here, you will be able to see a ‘wiatwain.ds’ file and two PIXMA directories. 
  • Leave them alone and move all the other directories and files to a new folder on the desktop. 
  • After doing this, restart the computer to apply the changes. 

Now, the system will recreate the missing files. Check whether the error is solved. 

Way 5: Update the Drivers

As we mentioned earlier, this error also may arise if you are using an outdated version of the scanner driver. Hence, you need to update the driver to the latest version to check if it can help you to troubleshoot this error. 

In order to do this, first, you can visit the official website of Canon and then search for the latest version of the scanner driver by using the model number. Once you get that, download it and install it on the system. 

Once the process finishes, restart the computer to apply the changes and check if the issue is fixed. Else, you can reinstall the scanner driver. 

Way 6: Reinstall the Drivers

After updating the driver, if you see that the error is still there, then you can uninstall this and then reinstall it to solve this error. To do so, you can take a quick glance at the steps stated below: 

  1. First, press I and Win key simultaneously from the keyboard and then select the ‘Device Manager’ option from the list. 
  2. Now, search for the Canon driver and right-click on it. Select the ‘Uninstall device’ option from the list. 
  3. Tick the ‘Remove driver software for this device’ box and then tap on the Uninstall button. 
  4. Once you complete the uninstallation process, tap on the ‘Scan for hardware changes’ option. Now, it will start to install the missing drivers. 

Once you complete the reinstallation process, restart the system and check if the error is fixed. 

Hopefully, after executing the above ways in their appropriate order, it will help you to eliminate this error. 

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