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Forum: Troubleshooting and Beginner Help
03-13-2017, 09:18 AM
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The rewind knob will always be loose because the film inside the cartridge tends to align itself to the wall, while the spool is in the center, like a spiral spring.
If you turn the knob in the rewind direction, you'll pick up the slack and align the film around the spool, if you let go, it will return to the former position.
Don't try this though, because rewinding the film like that might cause scratches, because of friction between the windings.
If you continue to rewind forcibly after picking up the slack, then you'll eventually damage the perforation of the film, ripping it backwards, because the film transportation roller is locked (pressing the rewind button will uncouple it, that's what you do to rewind).
TLDR: it's normal that the knob is loose, just ignore it and don't play around with it unnecessarily ;-)
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