Having problems with your Canon EOS-20D Body only Digital Camera ?

Err 99 Error code 99 has developed on my 20D camera, only this time the mirror keeps rapidly firing, and removing the battery and reinstalling it has no effect,removing and replacing the Canon lens and CF card even sets off the mirror albeit in single stroke movements, its like the camera is live all the time, is it terminal?, please anyone!, thanks, ron.


Answers :

This is what the canon people say to do for error 99


Read this!!!


The guy at tech support listened and then told me that the lens contacts were dirty and to get a pencil with an eraser on the end, just a regular old pencil with a red rubber eraser. Detach the lens from the camera, hold it so that the lens’ gold contacts are pointing down and lightly erase their exposed surface, cleaning them of any hand oil that might have gotten on them.

Do the same thing with the gold contacts inside the camera body. This is a bit harder but it’s doable: just hold camera so lens opening points down so no gunk falls in. Erase lightly. I used a lens cloth and dabbed at the contacts rather than blow them so as not to blow the erasings inside the camera.

I did this to each of my three lenses just to be sure. Lo and behold, it worked eaaa19b.jpgb9433a1.jpggood luck!! have a nice day :) :) :)
Repair Help & Product Troubleshooting for Canon EOS-20D Body only Digital Camera

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Error code 99 has developed on my 20D camera, only this time the mirror keeps rapidly firing, and removing the battery and reinstalling it has no effect,removing and replacing the Canon lens and CF card even sets off the mirror albeit in single stroke movements, its like the camera is live all the time, is it terminal?, please anyone!, thanks, ron.


Error 99 also covers mechanical failure of the shutter andprimary/secondary mirror ***'y. I have seen the dreaded err99 when thesecondary mirror wouldn't get out of the way.This happened at about 6000 clicks. Moving the secondary mirror w ... Canon Digital Cameras

Err 99 Error code 99 has developed on my 20D camera, only this time the mirror keeps rapidly firing, and removing the battery and reinstalling it has no effect,removing and replacing the Canon lens and CF card even sets off the mirror albeit in single stroke movements, its like the camera is live all the time, is it terminal?, please anyone!, thanks, ron.


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