Brother GTX pro Instruction Manual page 51

If you selected "Automatically acquire the IP address"
(5) Enter the host name to be set for the printer and click [Next].
<TIPS>

The host name can contain up to 31 characters.
(6) When [IP address was successfully assigned to Printer.] is displayed, the process is complete.
If there is any error in each of the values you have entered for the static IP Address, Subnet Mask and Default Gateway, an error
message to inform you thereof accordingly will appear. In this case, correct the error and attempt the process again.
51
Installation and preparation