Welcome to justanswer.
Are you facing any issue with printing with out the update ?
Which operating system you are using ?
Ok If it is not causing any issue in printing then you can ignore .
You can update to latest driver/software from below location .
Download the software and install it .
It will be better and quick if I can access your computer remotely to fix the problem ..
To do that please follow the below steps
1)Please open the below link URL in browser
2)Then click on I agree button at the bottom of the page .
3)After that click on Download link to download a file and run it