There is an HP JetDirect card on my network that is not one of the printers I installed. I can ping this card (10.0.0.255). It has open ports 25 and 110 (Why does a printer need e-mail?). It responds to SNMP on Port 161 with “Reply: HP ETHERNET MULTI-ENVIRONMENT,ROM G.07.19,JETDIRECT,JD3”. This is the same reply I get from the other printers that I do know about.
Does anyone know what this might be?