There are a number of potential reasons why your scanner may not be responding to commands. The most likely culprits are hardware compatibility issues, outdated drivers or firmware, incorrect settings, and connectivity problems.
Hardware Compatibility Issues
If you recently installed a new device or upgraded your computer’s hardware, your scanner may not be compatible. Check the manufacturer’s website to make sure your scanner is compatible with your current system.
Outdated Drivers or Firmware
If you haven’t updated your scanner’s drivers or firmware in a while, it may not be responding to commands properly due to incompatibility. Check the manufacturer’s website for the latest version of the software and firmware and install any available updates.
Make sure your scanner is configured correctly. You may have accidentally changed a setting that is affecting its performance. Consult your scanner’s manual or the manufacturer’s website to ensure all settings are correct.
If your scanner is connected to a network, check to make sure that the network is working properly. If it is connected to your computer via USB, make sure that all connections are secure and that the USB port isn’t damaged.
If all else fails, it may be time to contact the manufacturer for technical assistance.