Get-PrinterInfo.PS1

# Interesting printer infomation - accessible using the Simple Network management protocol (SNMP) 
# Written for my Epson SC P700 but should work with other networked printers with SNMP support 
param ($PrinterIP  = "192.168.0.181")

enum SNMPPrinterStatus {
    Other       = 1
    Unknown     = 2
    Idle        = 3
    Printing    = 4
    Warmup      = 5
}
enum SNMPDoorStaus     {
     other          = 1
     DoorOpen       = 3
     DoorClosed     = 4
     InterlockOpen  = 5
     interlockClosed= 6
}
enum SNMPPrintUnits    {
  TenThousandthsOfInches = 3
  Micrometers            = 4
  Characters             = 5
  Lines                  = 6
  Impressions            = 7
  Sheets                 = 8
  DotRow                 = 9
  Hours                  = 11
  Feet                   = 16
  Meters                 = 17
}

#Using the COM object to avoid installing a PowerShell SNMP module :-)  
$snmp               = New-Object -ComObject olePrn.OleSNMP
$snmp.open($PrinterIP, 'public', 2, 1000)
$printerUptime      = [timespan]::FromSeconds( $snmp.get(
                                    ".1.3.6.1.2.1.1.3.0") / 100)    
$printerFirmware    = $snmp.Get(    ".1.3.6.1.2.1.2.2.1.2.1")       
$printerModelName   = $snmp.Get(    ".1.3.6.1.2.1.25.3.2.1.3.1")    
$printerStatus      = $snmp.Get(    ".1.3.6.1.2.1.43.5.1.1.3.1")  -as [SNMPPrinterStatus] 
$printerSerialNo    = $snmp.Get(    ".1.3.6.1.2.1.43.5.1.1.17.1")   
$coverNames         = $snmp.GetTree(".1.3.6.1.2.1.43.6.1.1.2.1")
$coverStatuses      = $snmp.GetTree(".1.3.6.1.2.1.43.6.1.1.3.1")
$covers             = for($i=0; $i -lt $coverNames.length/2; $i++){
    [pscustomobject][ordered]@{Name = $coverNames[1,$i] ; Status = ($coverStatuses[1,$i] -as [SNMPDoorStaus])}
}
$printCountUnit     = $snmp.Get(    ".1.3.6.1.2.1.43.10.2.1.3.1.1") -as [SNMPPrintUnits]
$printCountTotal    = $snmp.Get(    ".1.3.6.1.2.1.43.10.2.1.4.1.1") 
$consumableNames    = $snmp.GetTree(".1.3.6.1.2.1.43.11.1.1.6.1")   
$consumableLevels   = $snmp.GetTree(".1.3.6.1.2.1.43.11.1.1.9.1")   
$consumableMaximums = $snmp.GetTree(".1.3.6.1.2.1.43.11.1.1.8.1")
$snmp.Close()

# Consumables (i.e. Ink) are OUTPUT , Other bits are for humans to look at. 
if ($covers.Status -like "*open*") {Write-host -ForegroundColor Yellow "Cover open"}
Write-host "$printerModelName, $printerFirmware, Serial no: $printerSerialNo. $printCountTotal $PrintCountUnit printed, Up-time: $printerUptime, Status: $printerStatus"

for ($i=0; $i -lt $consumableNames.length/2; $i++) {[pscustomobject][ordered]@{
        Name    = $consumableNames[1,$i];
        Level   = $consumableLevels[1,$i]
        Max     = $consumableMaximums[1,$i]
}}