Konica Minolta bizhub C284e - Manual (Page 180)

Setting by Purpose 4
Authentication Manager 4-6
4.6 Easily registering new card information for a user who
lost an IC card
Easily registering card information
% On the top menu, select [Authentication Manager], and in the IC Card
Authentication Setting page, set the "Allow Self Registration" option to
the following value. Also allow re-registrations (overwrite) of new cards
–
The default is set to "Allow new registrations only". This option
should be used as a temporary measure.