Konica Minolta bizhub C654 - Manual (Page 100)

Copy Function 3
3-44 bizhub C754/C654
3.4
User authentication
You can perform authentication by user or group in this machine.
Installing optional units enables IC card or biometric authentication.
If IC card authentication is enabled, pass or place the IC
card over or on the card reader of the authentication unit.
If biometric authentication is enabled, put your finger on
the finger vein reader of the authentication unit.