Konica Minolta bizhub C451 - Manual (Page 25)

Using Authentication Unit (Biometric Type) AU-101 3
AU-101 24
When “1-to-1 authentication” has been specified
1
Type in the user name.
2
Position the registered finger on this device.
The user is authenticated, and the Basic screen appears.
2
Note
If authentication fails many times, the authentication data may not be
registered correctly. Therefore, register the user again.