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This topic has been transferred to this forum: Film Handler's Forum.
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Topic: Diagonal Scratches
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Brad Miller
Administrator
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Posts: 17775
From: Plano, TX (36.2 miles NW of Rockwall)
Registered: May 99
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posted 06-12-2002 08:43 PM
Generally those type of scratches come from the last roller in the takeup of the platter being too low to where the film rubs up and over the edge of the platter deck. Those rollers should always be as high as possible. Ideally film should be taken up on the platter with the bar raised (speaking of a Christie here, most platters do not offer this option). Then the bar should be slowly lowered until you reach the point where the film lays against the deck. This is the optimum position. Sure the roller can be set lower without scratching, but the lower you go, the better chance your film will get scratched if the deck becomes warped from misuse.To answer your question though, an out of line roller will make those same scratches. That's got to be a pretty badly aligned roller to do that though, so it should take no more than 2 seconds to find it. The only other thing would be a projector loop scratch, but generally those are toward the middle of the picture and not on the edge. Moving to FHF.
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