Printer_Get_InkCartridgeLevel.ps1

function Printer-GetInkCartridgeLevels {
    $printer = Get-DefaultPrinter
    if ($printer) {
        $inkLevels = Get-WmiObject -Query "SELECT * FROM Win32_PrinterCartridge WHERE DeviceID='$($printer.DeviceID)'"
        return $inkLevels
    } else {
        Write-Host "No default printer found."
    }
}