With IPHost Network Monitor you can run simple snmp requests against a HP device in your network.
postscript-total-page-count
postscript-total-page-count
1.3.6.1.4.1.11.2.3.9.4.2.1.3.3.4.5
Total number of PostScript pages printed by the device. Additional information: In CLJ8500 the count is kept in NVRAM however the NVRAM value is only updated every 10 sheets. NOTE: The value returned by this OID will be incremented every sheet but if power is lost between NVRAM updates up to 9 sheets of the count may be lost. The counter will be reset to zero after 16,777,215 (2^24-1) pages.
Back to clj8500 MIB page.
IPHost Network monitor allows you to monitor postscript-total-page-count on Hewlett Packard device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.