http://www.ttlsa.com/zabbix/zabbix-monitor-hp-printer/
https://www.cnblogs.com/losbyday/articles/5836288.html
查看总的用纸量
#snmpwalk -v 1 -c public 192.168.1.20 mib-2.43.10.2.1.4.1.1
oid值：.1.3.6.1.2.1.43.10.2.1.4.1.1