With IPHost Network Monitor you can run simple snmp requests against a HP device in your network.
channel-bytes-sent
channel-bytes-sent
1.3.6.1.4.1.11.2.3.9.4.2.1.7.2.1.2
The low order 31 bits of the number of bytes sent from the printer to the host on this logical channel.
Back to 2100_snmp MIB page.
IPHost Network monitor allows you to monitor channel-bytes-sent 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 firewalls right now.