This way is for all LiteOn drives and the OEM versions, from Memorex, Sony etc. In other words all the MediateK based burners. So...
First download LTNflash. Now you have to backup your drive's firmware in order to read it later.
Run the utility and choose backup, then give a name in the "bin file" area. Make sure its extension is .bin, for example: current file.bin. This will be the name of your firmware will be saved as. Don't forget the .bin at the end of the name, as I did. But even in that case you can add it afterwards by renaming the "current file" to "current file.bin" from Windows. Then press GO
While the process you'll see the following:
When the backup is complete you'll see the DONE