Canon CR-2 AF Digital Non-Mydriatic Retinal Camera Manual
6 Maintenance
41
Cleaning the Image Sensor
The digital camera has a self-cleaning sensor unit. This function makes it possible to remove the
majority of dirt and dust that may interfere with images. It is not necessary to be aware of this function
during normal usage.
majority of dirt and dust that may interfere with images. It is not necessary to be aware of this function
during normal usage.
To use the self-cleaning sensor unit for cleaning, follow the procedure below.
1
When the CR-2 AF is in operation, end the examination on Rics NM 2.
2
Turn off the power to the CR-2 AF, then turn on the power again.
The self-cleaning sensor unit operates to remove the dust on the image sensor during initialization of
the retinal camera.
the retinal camera.
3
Photograph an image and check the image.
If the above procedure does not remove the foreign object, the cause may not be dirt or dust.
Contact your sales representative or local Canon dealer.
Contact your sales representative or local Canon dealer.
Cleaning the Outside of the CR-2 AF
WARNING
• Before cleaning the CR-2 AF, be sure to turn off the power of all connected devices and unplug
the power cord from the AC outlet.
• Do not use alcohol, benzine, thinner or any other flammable cleaning solvent.
Otherwise, fire or electric shock may result.
Do not clean the outside of the CR-2 AF with lens cleaner. It may corrode the surface.
If the outside of the CR-2 AF is dirty, wipe it twice with a soft cloth. First use a cloth that has been
soaked in diluted neutral cleanser and well wrung out. Then use a cloth that has been soaked in
water and well wrung out.
soaked in diluted neutral cleanser and well wrung out. Then use a cloth that has been soaked in
water and well wrung out.
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