Turning Off The Host Machine; Installing The Voice Guidance Kit; A Point To Keep In Mind At Installation; Checking The Contents - Canon iR5055 Series Service Manual
Turning Off the Main Power of the Host Machine When turning off the main power, be sure to go through the following in strict sequence to protect the machine's
hard disk:
[1] Hold on the power switch on the control panel 3 sec or more.
[2] Operate on the touch panel according to the shut-down sequence indicated so that the main power switch may be turned off.
[3] Turn off the main power switch.
[4] Disconnect the power cable (for the power outlet).