Konica Minolta bizhub C451 User Manual page 737

Utility mode
5
Touch [8 Punch Edge Sensor Adjustment].
The Punch Size Detect Sensor screen appears.
6
Press the [Start] key.
Automatic adjustment of the punched hole edge sensor begins.
Once the adjustment is completed, the results screen appears.
7
Touch [Close].
C451
11
11-90