I've searched the archives on this topic and I've not come accross a thread asking this question in particular. There's probably a very obvious answer to it, but I thought it best to put it to the folks on here before I load up the 400ft magazine.
On my English mags, after the film has been threaded through the mechanism there is a final spindle for the film to pass under (yellow arrow in picture below). Attached to this spindle is a lever with another spindle on it (pink arrow in picture below).
This spindle (pink arrow) is attached to the larger one by the lever such that is can lift up, see below.
It is spring loaded so that it falls back down automatically, which suggests to me that one should lift it up and thread the film underneath it, presumably it is there to put tension on the film as it leaves the mechanism and travels to the film core.
What confuses me is that the printed arrows on the magazine do not suggest doing this.
On one magazine I have had no problems not using the lever spindle, on another magazine a loop forms coming off the film core (so that the film is not actually staying on the core), probably because the capstan(?) arm is forcing it off. When I have not caught it in time this has caused the mag to fill with stray film and jam. Luckily only spare test film.
However, so far, when threading under the lever spindle this has not happened, obviously suggesting that the film must be underneath it.
So my question is, to anyone who may know, does the film go underneath the black spindle (pink arrow) so that it presses down on the film path taking up tension?
It seems the answer is 'yes' but I would prefer not to take chances given my low, low, budget and the cost of film.
Thanks for your help,