Installation of Lexmark S305 Network Printer

I am a new Ubuntu user and Iam attempting to install aLexmark S305 Printer. I have downloaded the appropriate installation software. I get so far on the installation and I get a request for root(administrative) password I have used the password that I sign in with to no avail. My question is what is the root password and how do I access it.

Thanks

Bastmont

Install yourself?

Did you install Ubuntu yourself?

It would have asked for a Root Password. Your sudo password.

Without it you can't do very much..