Ok! this is the simple one, it's mainly for the IT/System admins , who spend most of time on user's desk for troubleshooting.
If you are troubleshooting any printer issue, and want to check which printer driver is installed on the users system, shoot the Get-PrinterDriver cmdlet.
Tip : You can also connect to user's system remotely ;)
You can see in below screenshot that it's gives a list of all printer driver installed on the system.