Canon imageRUNNER C3489 Reference Manual page 488

2
3
4
8
8-92
Service Call Message
Press [Yes].
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 to the "I" side.
( I side)
( side)
The machine starts up in the Limited Functions mode.