# Restricting the Users Who Can Print or Perform the Printer Settings

You can restrict the users who can print or perform the printer settings with IP addresses by using a Web browser (Remote UI).
Restriction Using the IP v. 4 Address
Restriction Using the IP v. 6 Address
Always use the Remote UI to specify the IP address. The control panel allows you only to switch the address filter setting between On and Off.
[Setup] Menu ([Network] Options)

## Restriction Using the IP v. 4 Address

1
Start the Remote UI, and then log in as Administrator.
"Starting the Remote UI"
2
Click [Settings/Registration].
3
Select [Security] from the [Management Settings] menu.
4
Click [IP Address Filter].
5
Click [Edit...] under [IPv4 Address: TX Filter] or [IPv4 Address: RX Filter].

[IPv4 Address: TX Filter] | It limits the sending of data from the printer.
[IPv4 Address: RX Filter] | It limits the sending of data to the printer.

6
Select the [Use Filter] check box, and select [Default Policy].
If you select [Reject], you will only be able to transmit or print from users (clients) entered in the [Exception Addresses] field.
If you select [Allow], you will not be able to transmit or print from users (clients) entered in the [Exception Addresses] field.
If you clear the [Use Filter] check box, you will be able to transmit and print from all users (clients).
7
Set the IP address.

(1) | Enter the IP address for which you want to reject or permit to print.
| Enter the IPv4 address, which is a decimal value, by adding "." (periods) as delimiters.
(2) | Click [Add].
| You can set up to 16 IP addresses (16 sets of IP address for when you have specified with [Register Address]).

You can also enter IP addresses as follows.

Input example of the IP addresses | Method for entering IP addresses
192.168.0.1-192.168.0.10 | If you want to enter the IP addresses of consecutive numbers, place "-" (hyphen) between the address of the smallest number and that of the largest number.
192.168.0.0/16 | In order to specify the subnet range (prefix length), enter a "/" (slash) after the normal IP address symbol, then enter another prefix length (maximum 32).

NOTE
###### When "0" is entered in [Prefix Length] All the IP addresses become the target for rejection or permission. ###### When "32" is entered in [Prefix Length] The IP address of the printer becomes the target for rejection or permission. ###### When deleting a set IP address
(1) | Select an IP address you want to delete.
(2) | Click [Delete].

8
Click [OK].
9
Perform a hard reset or restart the printer.

→ | After performing a hard reset or restarting the printer, the settings are effective.

NOTE
###### To perform a hard reset You can perform a hard reset using the following procedure.
1. | Click [Settings/Registration].
2. | Select [Device Control] from the [Output/Control] menu.
3. | Select [Hard Reset], then click [Execute].

## Restriction Using the IP v. 6 Address

1
Start the Remote UI, and then log in as Administrator.
"Starting the Remote UI"
2
Click [Settings/Registration].
3
Select [Security] from the [Management Settings] menu.
4
Click [IP Address Filter].
5
Click [Edit...] under [IPv6 Address: TX Filter] or [IPv6 Address: RX Filter].

[IPv6 Address: TX Filter] | It limits the sending of data from the printer.
[IPv6 Address: RX Filter] | It limits the sending of data to the printer.

6
Select the [Use Filter] check box, and select [Default Policy].
If you select [Reject], you will only be able to transmit or print from users (clients) entered in the [Exception Addresses] field.
If you select [Allow], you will not be able to transmit or print from users (clients) entered in the [Exception Addresses] field.
If you clear the [Use Filter] check box, you will be able to transmit and print from all users (clients).
7
Set the IP address.

(1) | Enter the IP address for which you want to reject or permit to print.
| Enter the IPv6 address, which is a hexadecimal value, by adding ":" (colons) as delimiters.
(2) | Click [Add].
| You can set up to 16 IP addresses (16 sets of IP address for when you have specified with [Register Address]).

You can also enter IP addresses as follows.

Input example of the IP addresses | Method for entering IP addresses
fe80::0000/64 | In order to specify the subnet range (prefix length), enter a "/" (slash) after the normal IP address symbol, then enter another prefix length (maximum 128).

NOTE
###### When "0" is entered in [Prefix Length] All the IP addresses become the target for rejection or permission. ###### When "128" is entered in [Prefix Length] The IP address of the printer becomes the target for rejection or permission. ###### When deleting a set IP address
(1) | Select an IP address you want to delete.
(2) | Click [Delete].

8
Click [OK].
9
Perform a hard reset or restart the printer.

→ | After performing a hard reset or restarting the printer, the settings are effective.

NOTE
###### To perform a hard reset You can perform a hard reset using the following procedure.
1. | Click [Settings/Registration].
2. | Select [Device Control] from the [Output/Control] menu.
3. | Select [Hard Reset], then click [Execute].

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