librenms/includes/polling/os/xerox.inc.php

<?php

# ...253.8.51.1.2.1.20.1 = STRING: "MFG:Xerox;CMD:Adobe PostScript 3,PCL;MDL:Phaser 4510N;CLS:Printer;DES:Xerox Phaser 4510 Laser Printer, PostScript 3, Letter/A4 Size"

$xinfo = explode(';',trim(snmp_get($device, "1.3.6.1.4.1.253.8.51.1.2.1.20.1", "-OQv", "", ""),'" '));

foreach ($xinfo as $xi)
{
  list($key,$value) = explode(':',$xi);
  $xerox[$key] = $value;
}

list($hardware) = explode(',',$xerox['DES']);

#SNMPv2-SMI::enterprises.236.11.5.1.1.1.1.0 = STRING: "Xerox Phaser 3200MFP"
#SNMPv2-SMI::enterprises.236.11.5.1.1.1.2.0 = STRING: "1.15"

if ($hardware == '')
{
  $hardware = trim(snmp_get($device, "1.3.6.1.4.1.236.11.5.1.1.1.1.0", "-OQv", "", ""),'" ');
}

$version = trim(snmp_get($device, "1.3.6.1.4.1.236.11.5.1.1.1.2.0", "-OQv", "", ""),'" ');

?>