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Whenever you set the power switch to <1/J> or <2>, the Self
Cleaning Sensor Unit operates to automatically shake off the dust on
the front of the sensor. Normally, you need not be aware of this
operation. However, you can execute the sensor cleaning at anytime as
well as disable it.
1Select [Sensor cleaning].
Under the [6] tab, select [Sensor
cleaning], then press <0>.
2Select [Clean nowf].
Turn the <5> dial to select [Clean
nowf], then press <0>.
Select [OK], then press <0>.
XThe screen will indicate that the
sensor is being cleaned. Although
there will be a shutter sound, a
picture is not taken.
In step 2, select [Auto cleaningf] and set it to [Disable].
XThe sensor cleaning will no longer be executed when you set the
power switch to <1/J> or <2>.

3 Automatic Sensor Cleaning

Cleaning the Sensor Now

Disabling Automatic Sensor Cleaning

For best results, do the sensor cleaning while the camera bottom is
placed on a table or other surface at a perpendicular angle.
Even if you repeat the sensor cleaning, the result will not improve that
much. Right after the sensor cleaning is finished, the [Cleaning
nowf] option will remain disabled temporarily.