' Monitor Printers with a Temporary Event Subscription
strComputer = "."
Set objWMIService = GetObject("winmgmts:" _
& "{impersonationLevel=impersonate}!\\" & strComputer & "\root\cimv2")
Set colPrinters = objWMIService. _
ExecNotificationQuery("Select * from __instancemodificationevent " _
& "within 30 where TargetInstance isa 'Win32_Printer'")
i = 0
Do While i = 0
Set objPrinter = colPrinters.NextEvent
If objPrinter.TargetInstance.PrinterStatus <> _
objPrinter.PreviousInstance.PrinterStatus Then
Select Case objPrinter.TargetInstance.PrinterStatus
Case 1 strCurrentState = "Other"
Case 2 strCurrentState = "Unknown"
Case 3 strCurrentState = "Idle"
Case 4 strCurrentState = "Printing"
Case 5 strCurrentState = "Warming Up"
End Select
Select Case objPrinter.PreviousInstance.PrinterStatus
Case 1 strPreviousState = "Other"
Case 2 strPreviousState = "Unknown"
Case 3 strPreviousState = "Idle"
Case 4 strPreviousState = "Printing"
Case 5 strPreviousState = "Warming Up"
End Select
Wscript.Echo objPrinter.TargetInstance.Name _
& " is " & strCurrentState _
& ". The printer previously was " & strPreviousState & "."
End If
Loop