Konica Minolta bizhub C353 - Manual (Page 114)

C353/C253/C203 1-101
Setup items by operation 1
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Detail
If "Password Rules" is enabled, no password containing less than eight characters can be registered.
If you have already registered a user password containing less than eight characters, change it to one
using eight characters before enabling "Password Rules". For details on the password rules, refer to
the User’s Guide [Copy Operations].