Introduction
Check the labels included with the product for the username and initial password used for authentication during the first startup.
[System] > [Password]

[Password] appears only when logged in as an administrator.
For the login procedure, see (5) Login.
Purpose: You must log in as an administrator to access the settings screen and to move or delete items on the Home screen.
Initial value: Disabled
[Change Password]
Use this option to change the password.
Password rules:
4 to 64 characters
Allowed characters: uppercase and lowercase letters, numbers, and symbols (except “,”)