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Scratch Test: Difference between revisions
→Diagnosis
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Some examples: | Some examples: | ||
If a straight vertical scratch appears near the center of the frame, the film is likely being scratched in the gate. Check that the lateral guide rollers are turning freely and that the studio guides are not too tight and are not pinching the film inwards. | *If a straight vertical scratch appears near the center of the frame, the film is likely being scratched in the gate. Check that the lateral guide rollers are turning freely and that the studio guides are not too tight and are not pinching the film inwards. | ||
If vertical scratches on the far edge of the image and soundtrack appear, check that pad rollers are turning freely and are not pinching the film. | *If vertical scratches on the far edge of the image and soundtrack appear, check that pad rollers are turning freely and are not pinching the film. | ||
If random "dancing" vertical scratches appear across the entire frame, check that the flywheel is spinning freely. | *If random "dancing" vertical scratches appear across the entire frame, check that the flywheel is spinning freely. | ||
==Related Pages== | ==Related Pages== | ||