You can use alphanumeric characters and symbols when registering a login user password.
You can register up to 128 single-byte characters.
The password is case-sensitive. Keep this in mind when registering the password.
Do not disclose the password to anyone else. Similarly, do not write the password down and leave it where others can see it.
Change the password periodically.
Make the password difficult to guess.
Password Policy
This printer has a password policy.
Only passwords meeting the specified criteria for level of complexity and minimum number of characters can be registered. For details about the criteria, see Security Guide.
Passwords can contain the following characters:
Upper case letters: A to Z (26 characters)
Lower case letters: a to z (26 characters)
Numbers: 0 to 9 (10 characters)
Symbols: (space) ! " # $ % & ' ( ) * + , - . / : ; < = > ? @ [ \ ] ^ _` { | } ~ (33 characters)
Some characters are not available, regardless of whether they can be entered using the keyboard or the control panel.