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<blockquote class="ipsBlockquote" data-author="elizabeth_reed" data-cid="19509" data-time="1458567453">
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<blockquote class="ipsBlockquote" data-author="KB1984" data-cid="19502" data-time="1458552108">
Due to their width, roll films are slightly trickier to wind onto a reel than 35mm films on most systems. A helpful trick is to peel the adhesive strip that secures the film to the paper off the paper and wrap it once around the cut edge of the film, then stick it back onto the backing. With this edge leading, you then thread the film onto the reel. The adhesive tape stiffens the edge, making it easier to wind. You should then simply ensure that, later during drying, the part with the adhesive tape hangs downwards.
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Of course, the spires must be clean and completely dry. If the film gets stuck whilst being wound, never use force or apply pressure. Instead, feel with your fingers the area immediately behind the spiral’s ‘threading mouth’. At least the Jobo 1500 spires are designed so that you can feel the edge of the film here. You can then grasp the edges of the film on both sides where it has already been wound onto the spool and, by moving it gently back and forth, free it from its jam or kink.
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That would require you to first wind the entire film all the way to the end and separate it from the backing paper before loading it into the spiral spool, in order to get to the adhesive tape. If you’re working in a changing bag, that’s pretty much the death of the film in terms of potential creases and damage. It’s easier to trim the two front corners of the film slightly with scissors so that the film doesn’t get caught in the spiral. If it does get stuck, tapping the sides of the spiral with the flat of your hand usually helps. If nothing works, open the spiral and start again from the beginning, although of course you’ll then face the problem mentioned at the start. But you’ll just have to bite the bullet in that case.?
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Regards, Sven.?
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I haven’t read anything about a changing bag. But it doesn’t matter anyway; even with a sufficiently sized changing bag, it shouldn’t be a problem, provided you’re not all thumbs. I’d find fiddling about with scissors in the dark (and in a cramped changing bag at that) far too risky. But of course, there are many ways to skin a cat.
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In my opinion, opening the spiral when the film is jammed is unnecessary or even counterproductive, at least with Jobo spirals, because that’s when the chaos really starts. The film falls out, the reel has to be fumbled back together in the dark (you’d be better off practising this beforehand to avoid panic attacks ;) ) and so on and so forth. It is usually possible without any problems to feel for the edge of the film as described (as far inwards on the spiral as possible, of course, i.e. where it is hanging) and to free the film by moving it carefully back and forth (a few millimetres). I’ve been doing it this way for over 30 years and I can’t even remember the last time I had any pressure marks or similar issues with a film. So it can’t be all that wrong.
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If the spiral is damp, or your hands are damp, or you’re on an expedition in the jungles of French Guiana, you’re naturally at a disadvantage from the start.
