OK I give up....and err...need help please 
I have an Epson Stylus DX5000 printer (multi function), from my windows days. Now, whilst it shows on my Mac as a DX5000, my mac thinks (according to the driver) it is a Epson Stylus DX4800. Whilst it does print OK I can't see ink levels etc.
OK I thought, thats easy, I'll just hop on Epson's site and download the correct driver...and...errr....well....now I am confused how Macs do things (driver wise).
So...there are a number of driver files (I'll pick the latest) its a DMG file, download it...then what? I'm such a Mac newb, but would appreciate some help (I hate not knowing how to do this stuff).
Cheers in advance

I have an Epson Stylus DX5000 printer (multi function), from my windows days. Now, whilst it shows on my Mac as a DX5000, my mac thinks (according to the driver) it is a Epson Stylus DX4800. Whilst it does print OK I can't see ink levels etc.
OK I thought, thats easy, I'll just hop on Epson's site and download the correct driver...and...errr....well....now I am confused how Macs do things (driver wise).
So...there are a number of driver files (I'll pick the latest) its a DMG file, download it...then what? I'm such a Mac newb, but would appreciate some help (I hate not knowing how to do this stuff).
Cheers in advance