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Grease stains on film??


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#1 bolshevik

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Posted 06 March 2006 - 03:35 AM

i was recently doing scratch tests on an arri sr 2 and saw black grease marks across the film. i tried cleaning out the mag where it goes out the feed side to the pressure plate but im not sure what it could be from and what an appropraite way to clean it would be....anyone have any ideas??
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#2 Mike Kaminski

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Posted 06 March 2006 - 06:57 PM

i was recently doing scratch tests on an arri sr 2 and saw black grease marks across the film. i tried cleaning out the mag where it goes out the feed side to the pressure plate but im not sure what it could be from and what an appropraite way to clean it would be....anyone have any ideas??


Well, firstly, make sure the footage counter/ guide roller isnt dirty, on both feed and takeup. This shouldnt have grease on it, but it have dirt that shows up as grease-like. Are you sure its grease? The next step would be to dissassemble the throat of the magazine and check all the internal rollers and do some general cleaning. Be very careful when doing this and make sure you put it back together correctly; if you dont know what you are doing i wouldnt even try it. If i were you i would just send the magazines back to the rental house and either let their techs do the cleaning or request new mags. Shouldnt be a problem.
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