# Setting the IP Address Using the ARP/PING Commands

NOTE
###### If your computer and the printer are connected via the router You cannot set the IP address using the ARP/PING command.

1
Run Command Prompt.

NOTE
###### If you are using Windows Run Command Prompt using the following procedure. From the [Start] menu, select [All Programs] or [Programs] → [Accessories] → [Command Prompt]. ###### If you are using Macintosh Perform the following procedure.
1 | Run Terminal. Select the hard disk you use → [Applications] → the [Utilities] folder, and then double-click the [Terminal] icon.
2 | Enter "su", and then press the [return] key on your keyboard.
3 | "Password:" is displayed. Enter the root password, and then press the [return] key on your keyboard.
###### If you are using UNIX Display the console screen, and then log in as a super user.

2
Enter "arp -s <IP address> <MAC address>", then press the [ENTER] key on your keyboard.

<IP address>: | Enter the IP address to assign to the printer. Specify the address with four numbers (from 0 to 255) separated with a period (.).
<MAC address>: | Enter the MAC address of the printer. When entering the number, separate the number every two digits with a hyphen (-) (a colon (:) for Macintosh/UNIX).

Input Example (Windows): | "arp -s 192.168.0.215 00-1E-8F-46-80-2e"
Input Example (Macintosh/UNIX): | "arp -s 192.168.0.215 00:1E:8F:46:80:2e"

NOTE
###### If you are using IBM-AIX Enter "arp -s ether <the IP address> <the MAC address>."

3
Enter the following command, then press the [ENTER] key on your keyboard.

If you are using Windows: | "ping <the IP Address> -l 479"
If you are using Macintosh: | "ping -c 1 -s 479 <the IP Address>"
If you are using Solaris 1.x/2.x: | "ping -s <the IP Address> 479"
If you are using IBM-AIX: | "ping <the IP Address> 479"
If you are using HP-UX: | "ping <the IP Address> 487"
If you are using Linux: | "ping -s 479 <the IP Address>"

<IP address>: | Enter the same IP address as the one entered in Step 2.

| Enter a lowercase "L" for "-l."

Input Example (Windows): "ping 192.168.0.215 -l 479"

→ | The IP address is set for the printer.
| The subnet mask and gateway address are set to [0.0.0.0].

4
Enter "exit", then press the [ENTER] key on your keyboard.

→ | Command Prompt closes.

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