HP Jetdirect Internal Print Servers, HP Jetdirect External Print Servers, HP Wireless Print Servers, HP Jetdirect Connectivity Card for USB/serial/LocalTalk, Bluetooth wirelessġ IEEE 1284-B compliant parallel port, 1 Hi-Speed USB port (compatible with USB 2.0 specifications), 1 open EIO slot
Hi-Speed USB 2.0, HP Jetdirect Fast Ethernet embedded Print Server (standard on LJ2420n/dn), LJ 2420/d networkable via HP Jetdirect Internal Print Server