User Manual

153
CLEANING THE IMAGE SENSOR
Although the sd Quattro is equipped with a dust protector to prevent dust or
dirt entering the camera, in rare circumstances, dust or dirt may adhere to
the image sensor, causing black spots to appear on images. If this occurs,
it may be necessary to clean the image sensor.
 The image sensor is extremely delicate and can easily be damaged.
We recommend that you contact an authorized Sigma Service Station to
have the sensor cleaned. We do not advise attempting the procedure
yourself, especially if you have no previous experience cleaning delicate
optical components.
WARNING!!
 The image sensor is a very important part of your camera. Please take
all necessary precautions to avoid damaging the sensor.
 Do not use an aerosol compressed air cleaner. Liquid may leak from the
cleaner and damage the image sensor or other electronics inside the
camera.
 After cleaning the image sensor, please ensure the dust protector is
correctly attached. If the dust protector is not properly attached, it may
move and damage the image sensor of the camera or the lens.
 Please do not use the blower with the brush for cleaning the image
sensor. If the brush is attached, it may scratch the image sensor of the
camera.
1
Check that the power supply switch is set
to OFF. Then, remove the lens.