40D Err99 curtain won't open

Started Mar 6, 2013 | Discussions thread
sailaway78
Regular MemberPosts: 230
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Re: 40D Err99 curtain won't open
In reply to elfroggio, Mar 6, 2013

There is another post somewhere on this site, concerning the same err99.  What this person did was to take a pencil eraser and clean all the lens contacts, both on the camera and lens.  Then remove both batteries for several minutes, not exactly sure how many, which resets the camera's internal computer back to original settings. Don't remember if there were any other steps or not, but don't think so. This fix was given to him/her by Canon service.  That fixed this particular camera.  The post wasn't too long ago, so you should be able to find it.

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I want to go to my grave, tires bald, fenders knocked off, out of gas, and yelling, WOW what a ride.

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