Konica Minolta bizhub C284e - Manual (Page 179)

Setting by Purpose 4
Authentication Manager 4-5
4.5 Simplifying authentication with IC card
Registering a card
1
Register card information, referring to "Registering Card Information"
in "3.1 IC Card Information".
2
On the top menu, select [Authentication Manager], and in the Device
Management page, connect the IC card to the device and register the
target device again from "Manage".