Monitor Printer status via SNMP

this is all you need for basic printer monitoring

• login to web interface of printer and set "snmp read only comunitiy" to public or someting else you like

• then ensure that snmp is working from nagios host

snmpwalk -v1 -c public printer_name_or_ip host.hrDevice.hrDeviceTable.hrDeviceEntry.hrDeviceDescr.1

• on nagios host

vi /etc/nagios-plugins/config/custom.cfg 
---
define command{
       command_name    check_snmp_printer
       command_line    /usr/lib/nagios/plugins/check_snmp_printer '$HOSTADDRESS$' '$ARG1$' '$ARG2$' '$ARG3$'
       }
---

vi /etc/nagios3/conf.d/printers.cfg
---
define host {
       host_name   moses
       alias       Test Printer
       address     192.168.1.141
       use         generic-host
       }
define service{
       use                     generic-service
       host_name               moses
       service_description     Printer Model
       check_command           check_snmp_printer!public!MODEL
       }
define service{
       use                     generic-service
       host_name               moses
       service_description     Printer Status
       check_command           check_snmp_printer!public!MESSAGES
       }
---

• download and install check_snmp_printer from
  

http://exchange.nagios.org/directory/Plugins/Hardware/Printers/check_snmp_printer/details

to /usr/lib/nagios/plugins/check_snmp_printer

and make it executable

/etc/init.d/nagios3 restart