Konica Minolta bizhub C451 Operation Manual page 41

e) Select the License Kit that needs
Deactivation.
f) Press [Apply] after checking the selected Kit
and "Deactivation Code" you entered.
g) Print out displayed [Deactivation Complete
Code] or write it down, and reboot MFP.
If you set A4 (SEF) to paper tray, you can
press Start button and print the code out.
You can check [Deactivation Complete Code]
from the following procedure "h)".
h) After rebooting MFP, check the function was
deactivated.
Service Mode> Billing Setting> License
Management> List
Confirm that deactivated function is displayed
in the [Not Registered] field.
Deactivation procedure in MFP completed.
i) Exit from Service Mode and go on to the
next step [3-2. Input [Deactivation Complete
Code] to LMS].
Issued by BT-CSO 41 Ver 1.03