Check-PrinterDriver & Get-PrinterDriverVersion

Function Check-PrinterDriver
{
<#
   .Synopsis
    This function gets the printer driver from the WMI and check if it exist and if the version is correct
   .Description
    This function read the printer driver data from Win32_PrinterDriver and check if the requested driver
    exist and has the correct version (if given)
   .Example
    Check-PrinterDriver -Name "HP Officejet Pro 8600" -Version "10.0.10586.0"
    Check if the driver for the HP Officejet Pro exist and if the version correspondents with 10.0.10586.0
   .Example
    Check-PrinterDriver -Name "DYMO LabelWriter 450"
    Check if the driver for the DYMO LabelWriter 450 exist, no matter which version
   .Parameter Name
    The name the printer driver has
   .Parameter Version
    The version of the printer driver
   .Notes
    NAME:  Check-PrinterDriver
    AUTHOR: Erik van Oost
    LASTEDIT: 18/12/2015
    KEYWORDS: Printer Drivers
   .Link
     Http://blog.eastern.nl
 #Requires -Version 3.0
 #>
 Param([string[]]$name, [string[]]$version)

    if (Test-Path "HKLM:\SYSTEM\CurrentControlSet\Control\Print\Environments\Windows x64\Drivers\Version-3\$name")
    {
        if ($version -eq $null)
        {
            # only check if printerdriver exist
            return $true
        }
        else
        {
            # read version of the printerdrver
            if ((Get-PrinterDriverVersion -name $name) -eq $version)
            {
                return $true
            }
            else
            {
                return $false
            }

        }
    }
    else
    {
        return $false;
    }
}

Function Get-PrinterDriverVersion
{
<#
   .Synopsis
    This function gets the printer driver version from the WMI
   .Description
    This function read the printer driver data from Win32_PrinterDriver and collects the corresponding driver version
   .Example
    Get-PrinterDriverVersion -Name "HP Officejet Pro 8600"
    Returns the driver version of the HP Officejet Pro 8600 printer
   .Parameter Name
    The name the printer driver has
   .Notes
    NAME:  Get-PrinterDriverVersion
    AUTHOR: Erik van Oost
    LASTEDIT: 18/12/2015
    KEYWORDS: Printer Drivers
   .Link
     Http://blog.eastern.nl
 #Requires -Version 3.0
 #>
 Param([string[]]$name)


    $driverinfo = Get-ItemProperty "HKLM:\SYSTEM\CurrentControlSet\Control\Print\Environments\Windows x64\Drivers\Version-3\$name" -ErrorAction sil
    return $driverinfo.DriverVersion

 }


Check-PrinterDriver -name "HP Officejet Pro 8600" -version 9.84.0.1189 -Verbose

Check-PrinterDriver -name "HP Officejet Pro 8600"

Check-PrinterDriver -Name "DYMO LabelWriter 450"

Get-PrinterDriverVersion -name "DYMO LabelWriter 450"
Get-PrinterDriverVersion -name "HP Officejet Pro 8600"