Canon EOS Rebel T5 18-55 IS II Kit - Manual (Page 200)

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If dusts adhere to the image sensor and dust spots appear on the
images, you can clean the image sensor yourself with a camera blower.
Before cleaning the sensor, detach the lens from the camera.
The surface of 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 [Clean manually].
Under the [52] tab, select [Clean
manually], then press <0>.
2 Select [OK].
Select [OK], then press <0>.
X
In a moment, the reflex mirror will
lockup and the shutter will open.
3 Clean the sensor.
4 End the cleaning.
Set the power switch to <2>.
3 Manual Sensor CleaningN
If you use a battery, make sure it is fully charged.
For the power source, using AC Adapter Kit ACK-E10 (sold separately) is
recommended.
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