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Have you encountered a Canon Scanner error code 4630 while attempting to scan using a Canon scanner? The related message says “Device cannot be locked. Ensure that another application is not using the device (-4630)”.

Canon Scanner Error Code 4630

After that, you will not be able to use the device to scan anything. If you try to scan after restarting the system, the same error may still appear. Reasons behind the Canon scanner error include outdated system drivers, incorrect system files, settings malfunction, or problems with the scanner. you can check also Manage Wealth

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In the next part, we will give you some solutions to fix this common problem.

How To Fix Canon Scanner Error Code 4630

If you continue to receive the 4630 error message, then you need to start with some basic steps. First, turn off the scanner and see if all the wires are connected correctly. You can unplug the USB cable and all wires, then plug them back in. See if the problem is resolved after that. Otherwise, follow the sections below.

Solution 1 – Disable Windows Services

If there is a malfunction in the system settings, any type of Canon scanner error may appear. Here are the steps to configure the settings properly.

  •     Press Windows + R to open the run dialog box.
  •     Type “services.msc” in the box and press OK. You will see the Services window open.
  •     Look for “Windows image acquisition” in the list. Right-click on that particular option and choose “Properties” from the menu.
  •     Change the startup type to “Disabled” mode.

After that reboot, the system and check whether the 4630 error appears at this time during scanning.

Solution 2 – Uninstall and reinstall the driver

If the scanner driver fails, an error may appear on your computer screen. To avoid any errors caused by an outdated or faulty driver, you can fix it with the following method.

  • Launch the Run dialog box. Type “devmgmt.msc” in the box and press OK. This will open a list of all the drivers installed in the system.
  • The printer driver must be listed in the “IEEE 1394 Bus Host Controllers” section. So, right-click on the particular option and choose “Properties”.
  • Click the “Uninstall” button and press OK when prompted. The next step is to reinstall the driver. To do this, you need to return to the Device Manager window.
  • Look for the driver and you can see a yellow triangle next to him. Right-click from the menu and choose “Update Driver Update …”.
  • When a new window opens, select the first option to let Windows install automatically.

Follow the on-screen instructions to complete the process and try to scan any document on your Canon scanner.

Solution 3- Reinstall Windows in the old version

If you have made recent changes to the system, a Canon scanner error may occur in the system. Don’t worry, there is a way to undo recent changes to the settings. Take a look at the steps below to restore Windows to an earlier version.

  • Click on the Start button and type “System Restore” in the search box.
  • When the result is visible, click on the corresponding option to open it. Press “Next”.
  • On the next screen, select the recent system restore point and press “Next”.
  • Follow the on-screen instructions to complete the process and then make sure to restart the computer.

We hope that the Canon 4630 scanner error will be reduced after this process. If this method does not work, then follow the next one.

Solution 4- Run SFC Scan

A system file checker (SFC) scan is performed to detect corrupted system files. We have already mentioned that the presence of corrupted system files can cause such an error. Therefore, here are the steps to run an SFC scan in the system.

  • Click the Start button and find “Command Prompt”.
  • When the result appears, right-click on that option and choose “Run as administrator”.
  • Press “Yes” when prompted by User Account Control (UAC).
  • Type “SFC / scan now” in the command window and press enter.

Therefore the analysis will take some time. Be sure to restart the system after the scan ends.

Solution 5 – Check Related Windows Services

Not only “Windows Image Acquisition (WIA)”, but some scanner-related services are also responsible for the error. In such a case, if these services are not started or not working properly, your Canon scanner may display error code 4630.

These services are DCOM Server Process Launcher, Remote Procedure Call RPC, RPC Endpoint Mapper, Shell Hardware Discovery, etc.

Now open the run dialog box and type “services.msc”, then click on the “OK” button. In the new window, you will see all the services which are running in the background. Look out for each of them and check their properties. If any of these services stop, click the Start button to start the service.

In the section above, we have discussed all the possible measures you can take to correct the Canon scanner error. We would hope that you have already chosen a special tip from above that works for your problem.

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