HP Ew2400 - JetDirect Print Server Administrator's Manual page 73

Depending on the system, the LAN hardware address may require
a specific format.
For example:
For Windows NT 4.0, 2000, XP, Server 2003
arp -s 192.168.45.39 00-01-E6-a2-31-98
ping 192.168.45.39
For UNIX
arp -s 192.168.45.39 00:01:E6:a2:31:98
ping 192.168.45.39
Note
ENWW
Once the IP address has been set on the print server,
additional arp and ping commands will be ignored.
Once the IP address is configured, arp and ping
cannot be used unless the print server is reset to
factory values (see
On UNIX systems, the arp -s command may vary
between different systems.
Some BSD-based systems expect the IP address (or
host name) in reverse order. Other systems may
require additional parameters. See your system
documentation for specific command formats.
Chapter 8).
TCP/IP Configuration 73