With IPHost Network Monitor you can run simple snmp requests against a HP device in your network.
prtoutputserialnumber
prtoutputserialnumber
1.3.6.1.4.1.11.2.3.9.4.2.2.9.2.1.11
The serial number assigned to this output sub-unit. Refer to ftp://ftp.pwg.org/pub/pwg/pmp/drafts/pmib_031698.txt, for more details in the Standard Printer MIB. Additional information: Yukon does not support a serial number for output devices.
Back to 8000 MIB page.
IPHost Network monitor allows you to monitor prtoutputserialnumber 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 switches right now.