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Author Message   Waynemel Tinkerer Username: Waynemel Post Number: 9 Registered: 08-2009 Rating: N/A Votes: 0 Posted on Friday, January 14, 2011 - 08:37 am:    First, make sure the "twitch" is not actually the shutters moving at 1/500th sec so you can't see them actually opening. Try a slow shutter speed like 1/30th and see if they work. If they don't move, cleaning can be relatively simple. The proper way is to disassemble the shutter completely, but this is probably not feasible in this case. You can also "flush" the shutter with lighter fluid to get it working again. On this camera, I think the best way to do this is to remove the rear lens element from inside the camera. This is accomplished with a spanner tool (don't try a screwdriver). With the rear lens element removed, you should be able to put one or two drops of lighter fluid on the shutter blades. Only one or two drops, because more may result in contamination the lens surface. This means more work to clean it. Let the blades sit for a few minutes and try the shutter. If it works, great. If not, let the lighter fluid dry and repeat the process. You can find more information if you look in the Articles section of this forum.