Canon EOS 5D Mark IV L-series Zoom Lens Kit Owner's Manual

Page of 865
463
Dust that could not be removed by the automatic sensor cleaning can 
be removed manually with a commercially-available blower, etc. Before 
cleaning the sensor, detach the lens from the camera.
The image sensor is extremely delicate. If the sensor needs to be 
cleaned directly, having it done by a Canon Service Center is 
recommended.
1
Select [Sensor cleaning].
 
Under the [53] tab, select [Sensor 
cleaning
], then press <0>.
2
Select [Clean manually].
3
Select [OK].
X
In a moment, the reflex mirror will lock 
up and the shutter will open.
 
CLn” will blink on the LCD panel.
4
Clean the sensor.
5
End the cleaning.
 
Set the power switch to <2>.
3
 Manual Sensor CleaningN
If you will clean the sensor manually, make sure to use a fully-charged 
battery.
Using the household power outlet accessories (sold separately, p.530) is 
recommended.