- Check that the USB drive is properly connected into the printer.
 - Verify that the USB drive contains the correct type of files for printing.
 - Ensure that the printer is properly configured and online.
 - Check the printer settings for additional configurations.
 - Restart the printer to ensure that it is correctly processing the USB drive.
 - Check any error messages received from the printer.
 - Try printing from a different USB drive.
 
