We are having light stripes around 3mm across the width of the film repeating every 13cm. Cleaned all rollers & SOL sensor. While imaging I noticed the film drive motor with the toothed belt make a pause for a split of a second and continue and repeat the pause every 30 seconds. Could this be the reason for the light stripes. How can I verify if it is the motor or the encoder that is causing the irregular movement. Please see the attached pic.
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