Configuration-Password(Optional) You can change a password. A user name and a password will be required on the authentication screen when you start up this utility and when you change settings. Enter “epson” for the user name and the password you set for the password. 72 Item Description Old Password Enter the current password. New Password Enter the new password. Re-input Password Enter the new password for confirmation. Send Sends settings to the TM-C3400Z.