MENU Cleaning the CMOS Sensor

The CMOS sensor corresponds to the film in a film-based camera. If any dust or other foreign matter adheres to the CMOS sensor, it may show up as a dark speck in the pictures you take. To avoid this, follow the procedure below to clean the CMOS sensor. Note that the CMOS sensor is a very delicate component. If possible, you should have it cleaned by a Canon Service Center.

While you clean the CMOS, the camera’s power must remain on the whole time. To make sure the power will not turn off while you clean the CMOS sensor, connect the camera to a power outlet with the DC Coupler Kit or use the battery pack that has enough power. You will also need a rubber blower, and the lens must be detached from the camera. (→p.26)

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Insert the DC coupler or battery pack into the battery compartment (→p.23, 25)

and set the <> switch to <> (→p.29).

On the menu, select “Sensor cleaning.”

•Press the <> button.

•While pressing the <> button, turn the <> dial to select <>.

•While pressing the <> button, turn the <> dial to select “Sensor cleaning.” Then let go of the

<> button.

Select “OK.”

•While pressing the <> button, turn the <>

dial to select “OK.” Then let go of the <>

button.

s The LCD monitor will turn off.

Press the shutter button fully.

s The reflex mirror will lock up and the shutter will open.

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