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Cleaning the Image Sensor (CMOS)
The image sensor is like the film in a film-based camera. If any dust or other foreign matter
adheres to the image sensor, it may show up as a dark speck in the images.
To avoid this, follow the procedure below to clean the image sensor. Note that the image
sensor is a very delicate component. If possible, you should have it cleaned by a Canon
Service Center.
•
While you clean the image sensor, the camera must be turned on. Use the AC Adapter Kit
ACK-E2 (optional accessory, see page 174) or a battery. If you use a battery, make sure the
battery level is sufficient. Before cleaning the image sensor, detach the lens from the
camera.
Insert the DC coupler (→p.26) or a battery
into the battery compartment and set
the < > switch to < >.
1
On the menu, select [Sensor clean.].
•
Press the < > button.
•
Tu rn the < > dial to select [Sensor clean.], then
press <
>.
s
If you are using a battery having enough power, the
screen shown in step
3 will appear.
•
If the battery is exhausted, a warning message will
appear and you will not be able to proceed further.
Either recharge the battery or use a DC coupler and
start from step
1 again.
2
Select [OK].
•
Tu rn the < > dial to select [OK], then press < >.
s
The mirror will lock up and the shutter will open.
s
“ ” will blink on the LCD panel.
3
Clean the image sensor.
•
Use a rubber blower to carefully blow away any
dust, etc., on the surface of the image sensor.
4
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