Initializing System Management Settings
You can restore the <Display Job Log> setting in <System Management Settings> to the factory default (Setting Menu List).
1
Press 
.
.2
Use 
/
to select <System Management Settings>, and press 
.
/ to select <System Management Settings>, and press .3
Select <Initialize Menu> 
<System Management Settings>.
<System Management Settings>.4
Select <Display Job Log>, and press .
.
5
Select <Yes>, and press .
.
6
Restart the machine.
Turn OFF the machine, wait for at least 10 seconds, and turn it back ON.