With IPHost Network Monitor you can run simple snmp requests against a HP device in your network.
io-switch
io-switch
1.3.6.1.4.1.11.2.3.9.4.2.1.2.1.1.2
Indicates if the device will switch between I/O channels when a job boundary is encountered and print job data is available on another I/O channel.
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IPHost Network monitor allows you to monitor io-switch 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.