Ricoh AP204 Operator's Manual page 216

Note
The default factory password is "password".
A
Input "passwd".
msh> passwd
B
Input the current password.
Old password:
C
Input the new password.
New password:
Note
The password must consist of 3 to 8 alphanumeric characters and symbols.
Upper and lower case characters are considered unique. For example, R is
different from r.
The password is the same as that used in the configuration of the Network
Information Board using a WWW browser. If you change a password on
the mshell, the other password is also changed.
D
Input the new password once again.
Retype new password:
Remote Maintenance by Telnet (mshell)
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