deleted
That's the fault. Don't push the cover paper between the rollers. Here you can download "The Instant Pack Film" guide.
Peter K
Thank's
I figured it out soon after I have made post (thus I deleded original post).
Perhaps the writing of the post got me to think it differently and check more against my MF-polaroid back.
I think that I got wrong idea because of clip that keep back locked. It is so near the tab slot.
Jukka Vuokko
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