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# In other cases

Add the IP address and host name of the network printer to the hosts file on the computer used for printing. Methods of addition vary depending on operating systems.

1. Open the hosts file using memo pad files, for instance.

   The hosts file can be found in the following folder:

   `\WINDOWS\SYSTEM32\DRIVERS\ETC\HOSTS`

2. Add an IPv4 or IPv6 address and host name to the hosts file using the following format:

   `192.168.15.16 host # NP`

   "192.168.15.16" is the IPv4 address, "host" is the printer's host name, and "#NP" is replaced by comments. Insert a space or tab between "192.168.15.16" and "host", between "host" and "#NP" respectively, using one line for this format.

   `2001:DB::100 host # NP`

   "2001:DB::100" is the IPv6 address, "host" is the printer's host name, and "#NP" is replaced by comments. Insert a space or tab between "2001:DB::100" and "host", between "host" and "#NP" respectively, using one line for this format.

3. Save the file.

- When using a host name under Windows Server 2003/2003 R2/2008/2008 R2, with IPv6 protocol, perform host name resolution using an external DNS server. The host file cannot be used.