Konica Minolta bizhub C451 User Manual page 260

Troubleshooting
Display in Enlarge Display mode
If the internal error occurs, the screen shown below appears.
Reminder
Since the machine may be damaged, contact the service representative
according to the procedure described below as soon as the call service
representative screen appears.
1
Write down the trouble code (for example, C-0001) in the call service
representative screen.
C451
4
4-3