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DPChallenge Forums >> Hardware and Software >> How do you clean your lens and cam contacts??
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Showing posts 1 - 2 of 2, (reverse)
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 03/16/2006 02:24:01 PM · #1
I get err01 with my 17-40 just about everytime I put it on. This has happened since I got it. Detach and re-attach and it works fine. No problems with any other lens. I've never cleaned the contacts on the cam or my lens before so I thought I would give a try.
 03/16/2006 02:49:39 PM · #2
This problem can cause the infamous 'err 99'. I've read Canon recommend using a pencil rubber (eraser!) over them gently, getting rid of all the grease and gunk that can accumulate. Seems to work!
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