Canon CLC5151 Reference Manual page 482

2
3
4
8
8-90
Service Call Message
Press [Yes].
If you do not want to turn the Limited Functions Mode 'On', press [No].
A message prompting you press [Shutdown], and turn the main power switch OFF and ON
appears.
Press [Shutdown] to turn the main power switch OFF.
Wait at least 10 seconds before turning the main power switch back
ON.
ON
( I side)
OFF
( side)