Have you come across an error code 4630 while trying to scan using a Canon scanner? The corresponding message says “The device could not be locked. Check that another application isn’t using the device(-4630)”.
After that, you can’t use the device to scan anything. Even if you try to scan after restarting the system, it may show up the same error. The reasons behind Canon scanner error include outdated system drivers, misconfigured system files, malfunctions in settings or maybe issues with the scanner itself.
In the following section, we will give you some workarounds for resolving this common problem.
If you continue to receive the error message 4630, you have to start with a few basic measures. First, turn off the scanner and see if all the wires are connected in a proper way. You can unplug the USB cable and all the wires, then plug them back again. See if the problem is resolved after that. If not, then follow the below sections.
If there is any misfunction in the system’s settings, it may show up any type of Canon scanner error. These are the steps to configure the settings correctly.
Restart the system after that and check if error 4630 is appearing this time while scanning.
If there is any fault with the scanner’s driver, it may show up error on your computer’s screen. To avoid any kind of error due to an outdated or faulty driver, you can fix it by the following method.
Follow the on-screen instructions to complete the process and try to scan any document on your Canon scanner.
If you have made any recent changes in the system, the system may exhibit Canon scanner error. Don’t worry, as there is a way to revert the recent changes in the Settings. Have a look at the steps below to restore Windows to an earlier version.
We hope, the Canon scanner error 4630 will get diminished after this process. If this method does not work, follow the next one.
SFC (System File Checker) scan is performed to detect the corrupted system files. We have already mentioned that the presence of corrupted system files may cause such an error. Hence, these are the steps to run an SFC scan in the system.
So, the scan will take some time to complete. Make sure to restart the system after the completion of the scan.
Not only the “Windows Image Acquisition(WIA)” but, certain scanner-related services are responsible for the error as well. In such a case, if these services are not started or working properly, your Canon scanner may show error code 4630.
These services are DCOM Server Process Launcher, Remote Procedure Call RPC, RPC Endpoint Mapper, Shell hardware detection, etc. You can take a look at them in the Services window and determine if it started or not.
Now, open the Run dialog box and type “services.msc”, then hit the “OK” button. In the new window, you will see all the services that are running in the background. Look for each of them and check their properties. If any of those services are stopped, click on the Start button to launch the service.
In the above section, we have discussed all the possible measures that you need to apply in order to fix the Canon scanner error. We expect that you have already picked a particular trick from the above that works for your problem.