Konica Minolta bizhub C20 Reference Manual page 446

Group Dial Registration (Add Destinations)
The Scan - Group Dial Setting - Group Dial Registration window allows
you to configure the following items:
Item
Group Dial Name Specify the name of the group dial.
Speed Dial Index
422
Description
Range: Up to 20 characters.
Default: [Blank]
Click to jump to the beginning of the speed dial list within
the same page.
Configuring the Printer